16 MEM_VECTOR_MAKE(varentry_t, globals);
17 MEM_VECTOR_MAKE(varentry_t, fields);
18 MEM_VECTOR_MAKE(ast_function*, functions);
19 MEM_VECTOR_MAKE(ast_value*, imm_float);
20 MEM_VECTOR_MAKE(ast_value*, imm_string);
21 MEM_VECTOR_MAKE(ast_value*, imm_vector);
23 ast_value *imm_float_zero;
24 ast_value *imm_vector_zero;
26 ast_function *function;
27 MEM_VECTOR_MAKE(varentry_t, locals);
32 /* TYPE_FIELD -> parser_find_fields is used instead of find_var
33 * TODO: TYPE_VECTOR -> x, y and z are accepted in the gmqcc standard
34 * anything else: type error
39 MEM_VEC_FUNCTIONS(parser_t, varentry_t, globals)
40 MEM_VEC_FUNCTIONS(parser_t, varentry_t, fields)
41 MEM_VEC_FUNCTIONS(parser_t, ast_value*, imm_float)
42 MEM_VEC_FUNCTIONS(parser_t, ast_value*, imm_string)
43 MEM_VEC_FUNCTIONS(parser_t, ast_value*, imm_vector)
44 MEM_VEC_FUNCTIONS(parser_t, varentry_t, locals)
45 MEM_VEC_FUNCTIONS(parser_t, ast_function*, functions)
47 static void parser_pop_local(parser_t *parser);
48 static bool parser_variable(parser_t *parser, ast_block *localblock);
49 static ast_block* parser_parse_block(parser_t *parser, bool warnreturn);
50 static bool parser_parse_block_into(parser_t *parser, ast_block *block, bool warnreturn);
51 static ast_expression* parser_parse_statement_or_block(parser_t *parser);
52 static ast_expression* parser_expression_leave(parser_t *parser, bool stopatcomma);
53 static ast_expression* parser_expression(parser_t *parser, bool stopatcomma);
55 void parseerror(parser_t *parser, const char *fmt, ...)
62 vprintmsg(LVL_ERROR, parser->lex->tok->ctx.file, parser->lex->tok->ctx.line, "parse error", fmt, ap);
66 /* returns true if it counts as an error */
67 bool GMQCC_WARN parsewarning(parser_t *parser, int warntype, const char *fmt, ...)
70 int lvl = LVL_WARNING;
72 if (!OPTS_WARN(warntype))
81 vprintmsg(lvl, parser->lex->tok->ctx.file, parser->lex->tok->ctx.line, "warning", fmt, ap);
87 /**********************************************************************
88 * some maths used for constant folding
91 vector vec3_add(vector a, vector b)
100 vector vec3_sub(vector a, vector b)
109 qcfloat vec3_mulvv(vector a, vector b)
111 return (a.x * b.x + a.y * b.y + a.z * b.z);
114 vector vec3_mulvf(vector a, float b)
123 /**********************************************************************
127 bool parser_next(parser_t *parser)
129 /* lex_do kills the previous token */
130 parser->tok = lex_do(parser->lex);
131 if (parser->tok == TOKEN_EOF)
133 if (parser->tok >= TOKEN_ERROR) {
134 parseerror(parser, "lex error");
140 /* lift a token out of the parser so it's not destroyed by parser_next */
141 token *parser_lift(parser_t *parser)
143 token *tok = parser->lex->tok;
144 parser->lex->tok = NULL;
148 #define parser_tokval(p) (p->lex->tok->value)
149 #define parser_token(p) (p->lex->tok)
150 #define parser_ctx(p) (p->lex->tok->ctx)
152 ast_value* parser_const_float(parser_t *parser, double d)
156 for (i = 0; i < parser->imm_float_count; ++i) {
157 if (parser->imm_float[i]->constval.vfloat == d)
158 return parser->imm_float[i];
160 out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_FLOAT);
162 out->constval.vfloat = d;
163 if (!parser_t_imm_float_add(parser, out)) {
164 ast_value_delete(out);
170 ast_value* parser_const_float_0(parser_t *parser)
172 if (!parser->imm_float_zero)
173 parser->imm_float_zero = parser_const_float(parser, 0);
174 return parser->imm_float_zero;
177 static char *parser_strdup(const char *str)
180 /* actually dup empty strings */
181 char *out = mem_a(1);
185 return util_strdup(str);
188 ast_value* parser_const_string(parser_t *parser, const char *str)
192 for (i = 0; i < parser->imm_string_count; ++i) {
193 if (!strcmp(parser->imm_string[i]->constval.vstring, str))
194 return parser->imm_string[i];
196 out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_STRING);
198 out->constval.vstring = parser_strdup(str);
199 if (!parser_t_imm_string_add(parser, out)) {
200 ast_value_delete(out);
206 ast_value* parser_const_vector(parser_t *parser, vector v)
210 for (i = 0; i < parser->imm_vector_count; ++i) {
211 if (!memcmp(&parser->imm_vector[i]->constval.vvec, &v, sizeof(v)))
212 return parser->imm_vector[i];
214 out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_VECTOR);
216 out->constval.vvec = v;
217 if (!parser_t_imm_vector_add(parser, out)) {
218 ast_value_delete(out);
224 ast_value* parser_const_vector_f(parser_t *parser, float x, float y, float z)
230 return parser_const_vector(parser, v);
233 ast_value* parser_const_vector_0(parser_t *parser)
235 if (!parser->imm_vector_zero)
236 parser->imm_vector_zero = parser_const_vector_f(parser, 0, 0, 0);
237 return parser->imm_vector_zero;
240 ast_expression* parser_find_field(parser_t *parser, const char *name)
243 for (i = 0; i < parser->fields_count; ++i) {
244 if (!strcmp(parser->fields[i].name, name))
245 return parser->fields[i].var;
250 ast_expression* parser_find_global(parser_t *parser, const char *name)
253 for (i = 0; i < parser->globals_count; ++i) {
254 if (!strcmp(parser->globals[i].name, name))
255 return parser->globals[i].var;
260 ast_expression* parser_find_param(parser_t *parser, const char *name)
264 if (!parser->function)
266 fun = parser->function->vtype;
267 for (i = 0; i < fun->expression.params_count; ++i) {
268 if (!strcmp(fun->expression.params[i]->name, name))
269 return (ast_expression*)(fun->expression.params[i]);
274 ast_expression* parser_find_local(parser_t *parser, const char *name, size_t upto, bool *isparam)
278 for (i = parser->locals_count; i > upto;) {
280 if (!strcmp(parser->locals[i].name, name))
281 return parser->locals[i].var;
284 return parser_find_param(parser, name);
287 ast_expression* parser_find_var(parser_t *parser, const char *name)
291 v = parser_find_local(parser, name, 0, &dummy);
292 if (!v) v = parser_find_global(parser, name);
297 MEM_VECTOR_MAKE(ast_value*, p);
299 MEM_VEC_FUNCTIONS(paramlist_t, ast_value*, p)
301 static ast_value *parser_parse_type(parser_t *parser, int basetype, bool *isfunc)
305 lex_ctx ctx = parser_ctx(parser);
306 int vtype = basetype;
309 bool variadic = false;
311 MEM_VECTOR_INIT(¶ms, p);
315 if (parser->tok == '(') {
320 bool isfield = false;
321 bool isfuncparam = false;
323 if (!parser_next(parser))
326 if (parser->tok == ')')
329 if (parser->tok == '.') {
331 if (!parser_next(parser)) {
332 parseerror(parser, "expected field parameter type");
337 if (parser->tok == TOKEN_DOTS) {
340 if (!parser_next(parser))
342 if (parser->tok != ')') {
343 parseerror(parser, "`...` must be the last parameter of a variadic function declaration");
346 if (opts_standard == COMPILER_QCC) {
347 if (parsewarning(parser, WARN_EXTENSIONS, "variadic functions are not available in this standard"))
353 temptype = parser_token(parser)->constval.t;
354 if (!parser_next(parser))
357 param = parser_parse_type(parser, temptype, &isfuncparam);
362 if (parser->tok == TOKEN_IDENT) {
363 /* named parameter */
364 if (!ast_value_set_name(param, parser_tokval(parser)))
366 if (!parser_next(parser))
370 /* This comes before the isfield part! */
372 ast_value *fval = ast_value_new(ast_ctx(param), param->name, TYPE_FUNCTION);
377 fval->expression.next = (ast_expression*)param;
378 MEM_VECTOR_MOVE(¶m->expression, params, &fval->expression, params);
379 fval->expression.variadic = param->expression.variadic;
384 fld = ast_value_new(ctx, param->name, TYPE_FIELD);
385 fld->expression.next = (ast_expression*)param;
389 if (!paramlist_t_p_add(¶ms, param)) {
390 parseerror(parser, "Out of memory while parsing typename");
394 if (parser->tok == ',')
396 if (parser->tok == ')')
398 parseerror(parser, "Unexpected token");
401 if (!parser_next(parser))
405 var = ast_value_new(ctx, "<unnamed>", vtype);
408 var->expression.variadic = variadic;
409 MEM_VECTOR_MOVE(¶ms, p, &var->expression, params);
412 for (i = 0; i < params.p_count; ++i)
413 ast_value_delete(params.p[i]);
414 MEM_VECTOR_CLEAR(¶ms, p);
420 size_t etype; /* 0 = expression, others are operators */
424 ast_block *block; /* for commas and function calls */
429 MEM_VECTOR_MAKE(sy_elem, out);
430 MEM_VECTOR_MAKE(sy_elem, ops);
432 MEM_VEC_FUNCTIONS(shunt, sy_elem, out)
433 MEM_VEC_FUNCTIONS(shunt, sy_elem, ops)
435 static sy_elem syexp(lex_ctx ctx, ast_expression *v) {
445 static sy_elem syblock(lex_ctx ctx, ast_block *v) {
448 e.out = (ast_expression*)v;
455 static sy_elem syop(lex_ctx ctx, const oper_info *op) {
457 e.etype = 1 + (op - operators);
465 static sy_elem syparen(lex_ctx ctx, int p, size_t off) {
477 # define DEBUGSHUNTDO(x) x
479 # define DEBUGSHUNTDO(x)
482 static bool parser_sy_pop(parser_t *parser, shunt *sy)
486 ast_expression *out = NULL;
487 ast_expression *exprs[3];
488 ast_block *blocks[3];
489 ast_value *asvalue[3];
491 qcint generated_op = 0;
493 if (!sy->ops_count) {
494 parseerror(parser, "internal error: missing operator");
498 if (sy->ops[sy->ops_count-1].paren) {
499 parseerror(parser, "unmatched parenthesis");
503 op = &operators[sy->ops[sy->ops_count-1].etype - 1];
504 ctx = sy->ops[sy->ops_count-1].ctx;
506 DEBUGSHUNTDO(printf("apply %s\n", op->op));
508 if (sy->out_count < op->operands) {
509 parseerror(parser, "internal error: not enough operands: %i (operator %s (%i))", sy->out_count,
510 op->op, (int)op->id);
516 sy->out_count -= op->operands;
517 for (i = 0; i < op->operands; ++i) {
518 exprs[i] = sy->out[sy->out_count+i].out;
519 blocks[i] = sy->out[sy->out_count+i].block;
520 asvalue[i] = (ast_value*)exprs[i];
523 if (blocks[0] && !blocks[0]->exprs_count && op->id != opid1(',')) {
524 parseerror(parser, "internal error: operator cannot be applied on empty blocks");
528 #define NotSameType(T) \
529 (exprs[0]->expression.vtype != exprs[1]->expression.vtype || \
530 exprs[0]->expression.vtype != T)
531 #define CanConstFold1(A) \
532 (ast_istype((A), ast_value) && ((ast_value*)(A))->isconst)
533 #define CanConstFold(A, B) \
534 (CanConstFold1(A) && CanConstFold1(B))
535 #define ConstV(i) (asvalue[(i)]->constval.vvec)
536 #define ConstF(i) (asvalue[(i)]->constval.vfloat)
537 #define ConstS(i) (asvalue[(i)]->constval.vstring)
541 parseerror(parser, "internal error: unhandled operator: %s (%i)", op->op, (int)op->id);
545 if (exprs[0]->expression.vtype == TYPE_ENTITY) {
546 if (exprs[1]->expression.vtype != TYPE_FIELD) {
547 parseerror(parser, "type error: right hand of member-operand should be an entity-field");
550 out = (ast_expression*)ast_entfield_new(ctx, exprs[0], exprs[1]);
552 else if (exprs[0]->expression.vtype == TYPE_VECTOR) {
553 parseerror(parser, "internal error: vector access is not supposed to be handled at this point");
557 parseerror(parser, "type error: member-of operator on something that is not an entity or vector");
564 if (!ast_block_exprs_add(blocks[0], exprs[1]))
567 blocks[0] = ast_block_new(ctx);
568 if (!ast_block_exprs_add(blocks[0], exprs[0]) ||
569 !ast_block_exprs_add(blocks[0], exprs[1]))
574 if (!ast_block_set_type(blocks[0], exprs[1]))
577 sy->out[sy->out_count++] = syblock(ctx, blocks[0]);
581 switch (exprs[0]->expression.vtype) {
583 if (CanConstFold1(exprs[0]))
584 out = (ast_expression*)parser_const_float(parser, -ConstF(0));
586 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_F,
587 (ast_expression*)parser_const_float_0(parser),
591 if (CanConstFold1(exprs[0]))
592 out = (ast_expression*)parser_const_vector_f(parser,
593 -ConstV(0).x, -ConstV(0).y, -ConstV(0).z);
595 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_V,
596 (ast_expression*)parser_const_vector_0(parser),
600 parseerror(parser, "invalid types used in expression: cannot negate type %s",
601 type_name[exprs[0]->expression.vtype]);
607 switch (exprs[0]->expression.vtype) {
609 if (CanConstFold1(exprs[0]))
610 out = (ast_expression*)parser_const_float(parser, !ConstF(0));
612 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_F, exprs[0]);
615 if (CanConstFold1(exprs[0]))
616 out = (ast_expression*)parser_const_float(parser,
617 (!ConstV(0).x && !ConstV(0).y && !ConstV(0).z));
619 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_V, exprs[0]);
622 if (CanConstFold1(exprs[0]))
623 out = (ast_expression*)parser_const_float(parser, !ConstS(0) || !*ConstS(0));
625 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_S, exprs[0]);
627 /* we don't constant-fold NOT for these types */
629 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_ENT, exprs[0]);
632 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_FNC, exprs[0]);
635 parseerror(parser, "invalid types used in expression: cannot logically negate type %s",
636 type_name[exprs[0]->expression.vtype]);
642 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
643 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
645 parseerror(parser, "invalid types used in expression: cannot add type %s and %s",
646 type_name[exprs[0]->expression.vtype],
647 type_name[exprs[1]->expression.vtype]);
650 switch (exprs[0]->expression.vtype) {
652 if (CanConstFold(exprs[0], exprs[1]))
654 out = (ast_expression*)parser_const_float(parser, ConstF(0) + ConstF(1));
657 out = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_F, exprs[0], exprs[1]);
660 if (CanConstFold(exprs[0], exprs[1]))
661 out = (ast_expression*)parser_const_vector(parser, vec3_add(ConstV(0), ConstV(1)));
663 out = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_V, exprs[0], exprs[1]);
666 parseerror(parser, "invalid types used in expression: cannot add type %s and %s",
667 type_name[exprs[0]->expression.vtype],
668 type_name[exprs[1]->expression.vtype]);
673 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
674 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
676 parseerror(parser, "invalid types used in expression: cannot subtract type %s from %s",
677 type_name[exprs[1]->expression.vtype],
678 type_name[exprs[0]->expression.vtype]);
681 switch (exprs[0]->expression.vtype) {
683 if (CanConstFold(exprs[0], exprs[1]))
684 out = (ast_expression*)parser_const_float(parser, ConstF(0) - ConstF(1));
686 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_F, exprs[0], exprs[1]);
689 if (CanConstFold(exprs[0], exprs[1]))
690 out = (ast_expression*)parser_const_vector(parser, vec3_sub(ConstV(0), ConstV(1)));
692 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_V, exprs[0], exprs[1]);
695 parseerror(parser, "invalid types used in expression: cannot subtract type %s from %s",
696 type_name[exprs[1]->expression.vtype],
697 type_name[exprs[0]->expression.vtype]);
702 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype &&
703 exprs[0]->expression.vtype != TYPE_VECTOR &&
704 exprs[0]->expression.vtype != TYPE_FLOAT &&
705 exprs[1]->expression.vtype != TYPE_VECTOR &&
706 exprs[1]->expression.vtype != TYPE_FLOAT)
708 parseerror(parser, "invalid types used in expression: cannot multiply types %s and %s",
709 type_name[exprs[1]->expression.vtype],
710 type_name[exprs[0]->expression.vtype]);
713 switch (exprs[0]->expression.vtype) {
715 if (exprs[1]->expression.vtype == TYPE_VECTOR)
717 if (CanConstFold(exprs[0], exprs[1]))
718 out = (ast_expression*)parser_const_vector(parser, vec3_mulvf(ConstV(1), ConstF(0)));
720 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_FV, exprs[0], exprs[1]);
724 if (CanConstFold(exprs[0], exprs[1]))
725 out = (ast_expression*)parser_const_float(parser, ConstF(0) * ConstF(1));
727 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_F, exprs[0], exprs[1]);
731 if (exprs[1]->expression.vtype == TYPE_FLOAT)
733 if (CanConstFold(exprs[0], exprs[1]))
734 out = (ast_expression*)parser_const_vector(parser, vec3_mulvf(ConstV(0), ConstF(1)));
736 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_VF, exprs[0], exprs[1]);
740 if (CanConstFold(exprs[0], exprs[1]))
741 out = (ast_expression*)parser_const_float(parser, vec3_mulvv(ConstV(0), ConstV(1)));
743 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_V, exprs[0], exprs[1]);
747 parseerror(parser, "invalid types used in expression: cannot multiply types %s and %s",
748 type_name[exprs[1]->expression.vtype],
749 type_name[exprs[0]->expression.vtype]);
754 if (NotSameType(TYPE_FLOAT)) {
755 parseerror(parser, "invalid types used in expression: cannot divide types %s and %s",
756 type_name[exprs[0]->expression.vtype],
757 type_name[exprs[1]->expression.vtype]);
760 if (CanConstFold(exprs[0], exprs[1]))
761 out = (ast_expression*)parser_const_float(parser, ConstF(0) / ConstF(1));
763 out = (ast_expression*)ast_binary_new(ctx, INSTR_DIV_F, exprs[0], exprs[1]);
767 parseerror(parser, "qc does not have a modulo operator");
771 if (NotSameType(TYPE_FLOAT)) {
772 parseerror(parser, "invalid types used in expression: cannot perform bit operations between types %s and %s",
773 type_name[exprs[0]->expression.vtype],
774 type_name[exprs[1]->expression.vtype]);
777 if (CanConstFold(exprs[0], exprs[1]))
778 out = (ast_expression*)parser_const_float(parser,
779 (op->id == opid1('|') ? (float)( ((qcint)ConstF(0)) | ((qcint)ConstF(1)) ) :
780 (float)( ((qcint)ConstF(0)) & ((qcint)ConstF(1)) ) ));
782 out = (ast_expression*)ast_binary_new(ctx,
783 (op->id == opid1('|') ? INSTR_BITOR : INSTR_BITAND),
787 parseerror(parser, "TODO: bitxor");
792 case opid3('<','<','='):
793 case opid3('>','>','='):
794 parseerror(parser, "TODO: shifts");
798 generated_op += 1; /* INSTR_OR */
800 generated_op += INSTR_AND;
801 if (NotSameType(TYPE_FLOAT)) {
802 parseerror(parser, "invalid types used in expression: cannot perform logical operations between types %s and %s",
803 type_name[exprs[0]->expression.vtype],
804 type_name[exprs[1]->expression.vtype]);
805 parseerror(parser, "TODO: logical ops for arbitrary types using INSTR_NOT");
806 parseerror(parser, "TODO: optional early out");
809 if (opts_standard == COMPILER_GMQCC)
810 printf("TODO: early out logic\n");
811 if (CanConstFold(exprs[0], exprs[1]))
812 out = (ast_expression*)parser_const_float(parser,
813 (generated_op == INSTR_OR ? (ConstF(0) || ConstF(1)) : (ConstF(0) && ConstF(1))));
815 out = (ast_expression*)ast_binary_new(ctx, generated_op, exprs[0], exprs[1]);
819 generated_op += 1; /* INSTR_GT */
821 generated_op += 1; /* INSTR_LT */
822 case opid2('>', '='):
823 generated_op += 1; /* INSTR_GE */
824 case opid2('<', '='):
825 generated_op += INSTR_LE;
826 if (NotSameType(TYPE_FLOAT)) {
827 parseerror(parser, "invalid types used in expression: cannot perform comparison between types %s and %s",
828 type_name[exprs[0]->expression.vtype],
829 type_name[exprs[1]->expression.vtype]);
832 out = (ast_expression*)ast_binary_new(ctx, generated_op, exprs[0], exprs[1]);
834 case opid2('!', '='):
835 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype) {
836 parseerror(parser, "invalid types used in expression: cannot perform comparison between types %s and %s",
837 type_name[exprs[0]->expression.vtype],
838 type_name[exprs[1]->expression.vtype]);
841 out = (ast_expression*)ast_binary_new(ctx, type_ne_instr[exprs[0]->expression.vtype], exprs[0], exprs[1]);
843 case opid2('=', '='):
844 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype) {
845 parseerror(parser, "invalid types used in expression: cannot perform comparison between types %s and %s",
846 type_name[exprs[0]->expression.vtype],
847 type_name[exprs[1]->expression.vtype]);
850 out = (ast_expression*)ast_binary_new(ctx, type_eq_instr[exprs[0]->expression.vtype], exprs[0], exprs[1]);
854 if (ast_istype(exprs[0], ast_entfield))
855 assignop = type_storep_instr[exprs[0]->expression.vtype];
857 assignop = type_store_instr[exprs[0]->expression.vtype];
858 out = (ast_expression*)ast_store_new(ctx, assignop, exprs[0], exprs[1]);
862 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
863 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
865 parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
866 type_name[exprs[0]->expression.vtype],
867 type_name[exprs[1]->expression.vtype]);
870 if (ast_istype(exprs[0], ast_entfield))
871 assignop = type_storep_instr[exprs[0]->expression.vtype];
873 assignop = type_store_instr[exprs[0]->expression.vtype];
874 switch (exprs[0]->expression.vtype) {
876 out = (ast_expression*)ast_binstore_new(ctx, assignop,
877 (op->id == opid2('+','=') ? INSTR_ADD_F : INSTR_SUB_F),
881 out = (ast_expression*)ast_binstore_new(ctx, assignop,
882 (op->id == opid2('+','=') ? INSTR_ADD_V : INSTR_SUB_V),
886 parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
887 type_name[exprs[0]->expression.vtype],
888 type_name[exprs[1]->expression.vtype]);
896 parseerror(parser, "failed to apply operand %s", op->op);
900 DEBUGSHUNTDO(printf("applied %s\n", op->op));
901 sy->out[sy->out_count++] = syexp(ctx, out);
905 static bool parser_close_call(parser_t *parser, shunt *sy)
907 /* was a function call */
915 fid = sy->ops[sy->ops_count].off;
917 /* out[fid] is the function
918 * everything above is parameters...
920 * 1 params = ast_expression
924 if (sy->out_count < 1 || sy->out_count <= fid) {
925 parseerror(parser, "internal error: function call needs function and parameter list...");
929 fun = sy->out[fid].out;
931 call = ast_call_new(sy->ops[sy->ops_count].ctx, fun);
933 parseerror(parser, "out of memory");
937 if (fid+1 == sy->out_count) {
940 } else if (fid+2 == sy->out_count) {
943 params = sy->out[sy->out_count].block;
947 if (!ast_call_params_add(call, sy->out[sy->out_count].out)) {
948 ast_delete(sy->out[sy->out_count].out);
949 parseerror(parser, "out of memory");
953 paramcount = params->exprs_count;
954 MEM_VECTOR_MOVE(params, exprs, call, params);
958 parseerror(parser, "invalid function call");
962 /* overwrite fid, the function, with a call */
963 sy->out[fid] = syexp(call->expression.node.context, (ast_expression*)call);
965 if (fun->expression.vtype != TYPE_FUNCTION) {
966 parseerror(parser, "not a function (%s)", type_name[fun->expression.vtype]);
970 if (!fun->expression.next) {
971 parseerror(parser, "could not determine function return type");
974 if (fun->expression.params_count != paramcount &&
975 !(fun->expression.variadic &&
976 fun->expression.params_count < paramcount))
979 const char *fewmany = (fun->expression.params_count > paramcount) ? "few" : "many";
981 fval = (ast_istype(fun, ast_value) ? ((ast_value*)fun) : NULL);
982 if (opts_standard == COMPILER_GMQCC)
985 parseerror(parser, "too %s parameters for call to %s: expected %i, got %i", fewmany,
986 fval->name, (int)fun->expression.params_count, paramcount);
988 parseerror(parser, "too %s parameters for function call: expected %i, got %i", fewmany,
989 (int)fun->expression.params_count, paramcount);
995 return !parsewarning(parser, WARN_TOO_FEW_PARAMETERS,
996 "too %s parameters for call to %s: expected %i, got %i", fewmany,
997 fval->name, (int)fun->expression.params_count, paramcount);
999 return !parsewarning(parser, WARN_TOO_FEW_PARAMETERS,
1000 "too %s parameters for function call: expected %i, got %i", fewmany,
1001 (int)fun->expression.params_count, paramcount);
1009 static bool parser_close_paren(parser_t *parser, shunt *sy, bool functions_only)
1011 if (!sy->ops_count) {
1012 parseerror(parser, "unmatched closing paren");
1015 /* this would for bit a + (x) because there are no operators inside (x)
1016 if (sy->ops[sy->ops_count-1].paren == 1) {
1017 parseerror(parser, "empty parenthesis expression");
1021 while (sy->ops_count) {
1022 if (sy->ops[sy->ops_count-1].paren == 'f') {
1023 if (!parser_close_call(parser, sy))
1027 if (sy->ops[sy->ops_count-1].paren == 1) {
1029 return !functions_only;
1031 if (!parser_sy_pop(parser, sy))
1037 static void parser_reclassify_token(parser_t *parser)
1040 for (i = 0; i < operator_count; ++i) {
1041 if (!strcmp(parser_tokval(parser), operators[i].op)) {
1042 parser->tok = TOKEN_OPERATOR;
1048 static ast_expression* parser_expression_leave(parser_t *parser, bool stopatcomma)
1050 ast_expression *expr = NULL;
1052 bool wantop = false;
1053 bool gotmemberof = false;
1055 /* count the parens because an if starts with one, so the
1056 * end of a condition is an unmatched closing paren
1060 MEM_VECTOR_INIT(&sy, out);
1061 MEM_VECTOR_INIT(&sy, ops);
1063 parser->lex->flags.noops = false;
1065 parser_reclassify_token(parser);
1070 gotmemberof = false;
1072 parser->memberof = 0;
1074 if (parser->tok == TOKEN_IDENT)
1076 ast_expression *var;
1078 parseerror(parser, "expected operator or end of statement");
1083 if (opts_standard == COMPILER_GMQCC)
1085 if (parser->memberof == TYPE_ENTITY) {
1086 /* still get vars first since there could be a fieldpointer */
1087 var = parser_find_var(parser, parser_tokval(parser));
1089 var = parser_find_field(parser, parser_tokval(parser));
1091 else if (parser->memberof == TYPE_VECTOR)
1093 parseerror(parser, "TODO: implement effective vector member access");
1096 else if (parser->memberof) {
1097 parseerror(parser, "namespace for member not found");
1101 var = parser_find_var(parser, parser_tokval(parser));
1103 var = parser_find_var(parser, parser_tokval(parser));
1105 var = parser_find_field(parser, parser_tokval(parser));
1108 parseerror(parser, "unexpected ident: %s", parser_tokval(parser));
1111 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), var))) {
1112 parseerror(parser, "out of memory");
1115 DEBUGSHUNTDO(printf("push %s\n", parser_tokval(parser)));
1117 else if (parser->tok == TOKEN_FLOATCONST) {
1120 parseerror(parser, "expected operator or end of statement, got constant");
1124 val = parser_const_float(parser, (parser_token(parser)->constval.f));
1127 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
1128 parseerror(parser, "out of memory");
1131 DEBUGSHUNTDO(printf("push %g\n", parser_token(parser)->constval.f));
1133 else if (parser->tok == TOKEN_INTCONST) {
1136 parseerror(parser, "expected operator or end of statement, got constant");
1140 val = parser_const_float(parser, (double)(parser_token(parser)->constval.i));
1143 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
1144 parseerror(parser, "out of memory");
1147 DEBUGSHUNTDO(printf("push %i\n", parser_token(parser)->constval.i));
1149 else if (parser->tok == TOKEN_STRINGCONST) {
1152 parseerror(parser, "expected operator or end of statement, got constant");
1156 val = parser_const_string(parser, parser_tokval(parser));
1159 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
1160 parseerror(parser, "out of memory");
1163 DEBUGSHUNTDO(printf("push string\n"));
1165 else if (parser->tok == TOKEN_VECTORCONST) {
1168 parseerror(parser, "expected operator or end of statement, got constant");
1172 val = parser_const_vector(parser, parser_token(parser)->constval.v);
1175 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
1176 parseerror(parser, "out of memory");
1179 DEBUGSHUNTDO(printf("push '%g %g %g'\n",
1180 parser_token(parser)->constval.v.x,
1181 parser_token(parser)->constval.v.y,
1182 parser_token(parser)->constval.v.z));
1184 else if (parser->tok == '(') {
1185 parseerror(parser, "internal error: '(' should be classified as operator");
1188 else if (parser->tok == ')') {
1190 DEBUGSHUNTDO(printf("do[op] )\n"));
1194 /* we do expect an operator next */
1195 /* closing an opening paren */
1196 if (!parser_close_paren(parser, &sy, false))
1199 DEBUGSHUNTDO(printf("do[nop] )\n"));
1203 /* allowed for function calls */
1204 if (!parser_close_paren(parser, &sy, true))
1209 else if (parser->tok != TOKEN_OPERATOR) {
1211 parseerror(parser, "expected operator or end of statement");
1218 /* classify the operator */
1219 /* TODO: suffix operators */
1220 const oper_info *op;
1221 const oper_info *olast = NULL;
1223 for (o = 0; o < operator_count; ++o) {
1224 if ((!(operators[o].flags & OP_PREFIX) == wantop) &&
1225 !(operators[o].flags & OP_SUFFIX) && /* remove this */
1226 !strcmp(parser_tokval(parser), operators[o].op))
1231 if (o == operator_count) {
1232 /* no operator found... must be the end of the statement */
1235 /* found an operator */
1238 /* when declaring variables, a comma starts a new variable */
1239 if (op->id == opid1(',') && !parens && stopatcomma) {
1240 /* fixup the token */
1245 if (sy.ops_count && !sy.ops[sy.ops_count-1].paren)
1246 olast = &operators[sy.ops[sy.ops_count-1].etype-1];
1249 (op->prec < olast->prec) ||
1250 (op->assoc == ASSOC_LEFT && op->prec <= olast->prec) ) )
1252 if (!parser_sy_pop(parser, &sy))
1254 if (sy.ops_count && !sy.ops[sy.ops_count-1].paren)
1255 olast = &operators[sy.ops[sy.ops_count-1].etype-1];
1260 if (op->id == opid1('.') && opts_standard == COMPILER_GMQCC) {
1261 /* for gmqcc standard: open up the namespace of the previous type */
1262 ast_expression *prevex = sy.out[sy.out_count-1].out;
1264 parseerror(parser, "unexpected member operator");
1267 if (prevex->expression.vtype == TYPE_ENTITY)
1268 parser->memberof = TYPE_ENTITY;
1269 else if (prevex->expression.vtype == TYPE_VECTOR)
1270 parser->memberof = TYPE_VECTOR;
1272 parseerror(parser, "type error: type has no members");
1278 if (op->id == opid1('(')) {
1280 DEBUGSHUNTDO(printf("push [op] (\n"));
1282 /* we expected an operator, this is the function-call operator */
1283 if (!shunt_ops_add(&sy, syparen(parser_ctx(parser), 'f', sy.out_count-1))) {
1284 parseerror(parser, "out of memory");
1289 if (!shunt_ops_add(&sy, syparen(parser_ctx(parser), 1, 0))) {
1290 parseerror(parser, "out of memory");
1293 DEBUGSHUNTDO(printf("push [nop] (\n"));
1297 DEBUGSHUNTDO(printf("push operator %s\n", op->op));
1298 if (!shunt_ops_add(&sy, syop(parser_ctx(parser), op)))
1303 if (!parser_next(parser)) {
1306 if (parser->tok == ';' || parser->tok == ']') {
1311 while (sy.ops_count) {
1312 if (!parser_sy_pop(parser, &sy))
1316 parser->lex->flags.noops = true;
1317 if (!sy.out_count) {
1318 parseerror(parser, "empty expression");
1321 expr = sy.out[0].out;
1322 MEM_VECTOR_CLEAR(&sy, out);
1323 MEM_VECTOR_CLEAR(&sy, ops);
1324 DEBUGSHUNTDO(printf("shunt done\n"));
1328 parser->lex->flags.noops = true;
1329 MEM_VECTOR_CLEAR(&sy, out);
1330 MEM_VECTOR_CLEAR(&sy, ops);
1334 static ast_expression* parser_expression(parser_t *parser, bool stopatcomma)
1336 ast_expression *e = parser_expression_leave(parser, stopatcomma);
1339 if (!parser_next(parser)) {
1346 static bool parser_parse_if(parser_t *parser, ast_block *block, ast_expression **out)
1349 ast_expression *cond, *ontrue, *onfalse = NULL;
1351 lex_ctx ctx = parser_ctx(parser);
1353 /* skip the 'if' and check for opening paren */
1354 if (!parser_next(parser) || parser->tok != '(') {
1355 parseerror(parser, "expected 'if' condition in parenthesis");
1358 /* parse into the expression */
1359 if (!parser_next(parser)) {
1360 parseerror(parser, "expected 'if' condition after opening paren");
1363 /* parse the condition */
1364 cond = parser_expression_leave(parser, false);
1368 if (parser->tok != ')') {
1369 parseerror(parser, "expected closing paren after 'if' condition");
1373 /* parse into the 'then' branch */
1374 if (!parser_next(parser)) {
1375 parseerror(parser, "expected statement for on-true branch of 'if'");
1379 ontrue = parser_parse_statement_or_block(parser);
1384 /* check for an else */
1385 if (!strcmp(parser_tokval(parser), "else")) {
1386 /* parse into the 'else' branch */
1387 if (!parser_next(parser)) {
1388 parseerror(parser, "expected on-false branch after 'else'");
1393 onfalse = parser_parse_statement_or_block(parser);
1401 ifthen = ast_ifthen_new(ctx, cond, ontrue, onfalse);
1402 *out = (ast_expression*)ifthen;
1406 static bool parser_parse_while(parser_t *parser, ast_block *block, ast_expression **out)
1409 ast_expression *cond, *ontrue;
1411 lex_ctx ctx = parser_ctx(parser);
1413 /* skip the 'while' and check for opening paren */
1414 if (!parser_next(parser) || parser->tok != '(') {
1415 parseerror(parser, "expected 'while' condition in parenthesis");
1418 /* parse into the expression */
1419 if (!parser_next(parser)) {
1420 parseerror(parser, "expected 'while' condition after opening paren");
1423 /* parse the condition */
1424 cond = parser_expression_leave(parser, false);
1428 if (parser->tok != ')') {
1429 parseerror(parser, "expected closing paren after 'while' condition");
1433 /* parse into the 'then' branch */
1434 if (!parser_next(parser)) {
1435 parseerror(parser, "expected while-loop body");
1439 ontrue = parser_parse_statement_or_block(parser);
1445 aloop = ast_loop_new(ctx, NULL, cond, NULL, NULL, ontrue);
1446 *out = (ast_expression*)aloop;
1450 static bool parser_parse_dowhile(parser_t *parser, ast_block *block, ast_expression **out)
1453 ast_expression *cond, *ontrue;
1455 lex_ctx ctx = parser_ctx(parser);
1457 /* skip the 'do' and get the body */
1458 if (!parser_next(parser)) {
1459 parseerror(parser, "expected loop body");
1462 ontrue = parser_parse_statement_or_block(parser);
1466 /* expect the "while" */
1467 if (parser->tok != TOKEN_KEYWORD ||
1468 strcmp(parser_tokval(parser), "while"))
1470 parseerror(parser, "expected 'while' and condition");
1475 /* skip the 'while' and check for opening paren */
1476 if (!parser_next(parser) || parser->tok != '(') {
1477 parseerror(parser, "expected 'while' condition in parenthesis");
1481 /* parse into the expression */
1482 if (!parser_next(parser)) {
1483 parseerror(parser, "expected 'while' condition after opening paren");
1487 /* parse the condition */
1488 cond = parser_expression_leave(parser, false);
1492 if (parser->tok != ')') {
1493 parseerror(parser, "expected closing paren after 'while' condition");
1499 if (!parser_next(parser) || parser->tok != ';') {
1500 parseerror(parser, "expected semicolon after condition");
1506 if (!parser_next(parser)) {
1507 parseerror(parser, "parse error");
1513 aloop = ast_loop_new(ctx, NULL, NULL, cond, NULL, ontrue);
1514 *out = (ast_expression*)aloop;
1518 static bool parser_parse_for(parser_t *parser, ast_block *block, ast_expression **out)
1521 ast_expression *initexpr, *cond, *increment, *ontrue;
1522 size_t oldblocklocal;
1524 lex_ctx ctx = parser_ctx(parser);
1526 oldblocklocal = parser->blocklocal;
1527 parser->blocklocal = parser->locals_count;
1534 /* skip the 'while' and check for opening paren */
1535 if (!parser_next(parser) || parser->tok != '(') {
1536 parseerror(parser, "expected 'for' expressions in parenthesis");
1539 /* parse into the expression */
1540 if (!parser_next(parser)) {
1541 parseerror(parser, "expected 'for' initializer after opening paren");
1545 if (parser->tok == TOKEN_TYPENAME) {
1546 if (opts_standard != COMPILER_GMQCC) {
1547 if (parsewarning(parser, WARN_EXTENSIONS,
1548 "current standard does not allow variable declarations in for-loop initializers"))
1552 parseerror(parser, "TODO: assignment of new variables to be non-const");
1554 if (!parser_variable(parser, block))
1557 else if (parser->tok != ';')
1559 initexpr = parser_expression_leave(parser, false);
1564 /* move on to condition */
1565 if (parser->tok != ';') {
1566 parseerror(parser, "expected semicolon after for-loop initializer");
1569 if (!parser_next(parser)) {
1570 parseerror(parser, "expected for-loop condition");
1574 /* parse the condition */
1575 if (parser->tok != ';') {
1576 cond = parser_expression_leave(parser, false);
1581 /* move on to incrementor */
1582 if (parser->tok != ';') {
1583 parseerror(parser, "expected semicolon after for-loop initializer");
1586 if (!parser_next(parser)) {
1587 parseerror(parser, "expected for-loop condition");
1591 /* parse the incrementor */
1592 if (parser->tok != ')') {
1593 increment = parser_expression_leave(parser, false);
1599 if (parser->tok != ')') {
1600 parseerror(parser, "expected closing paren after 'for-loop' incrementor");
1603 /* parse into the 'then' branch */
1604 if (!parser_next(parser)) {
1605 parseerror(parser, "expected for-loop body");
1608 ontrue = parser_parse_statement_or_block(parser);
1613 aloop = ast_loop_new(ctx, initexpr, cond, NULL, increment, ontrue);
1614 *out = (ast_expression*)aloop;
1616 while (parser->locals_count > parser->blocklocal)
1617 parser_pop_local(parser);
1618 parser->blocklocal = oldblocklocal;
1621 if (initexpr) ast_delete(initexpr);
1622 if (cond) ast_delete(cond);
1623 if (increment) ast_delete(increment);
1624 while (parser->locals_count > parser->blocklocal)
1625 parser_pop_local(parser);
1626 parser->blocklocal = oldblocklocal;
1630 static bool parser_parse_statement(parser_t *parser, ast_block *block, ast_expression **out)
1632 if (parser->tok == TOKEN_TYPENAME)
1634 /* local variable */
1636 parseerror(parser, "cannot declare a variable from here");
1639 if (opts_standard == COMPILER_QCC) {
1640 if (parsewarning(parser, WARN_EXTENSIONS, "missing 'local' keyword when declaring a local variable"))
1643 if (!parser_variable(parser, block))
1648 else if (parser->tok == TOKEN_KEYWORD)
1650 if (!strcmp(parser_tokval(parser), "local"))
1653 parseerror(parser, "cannot declare a local variable here");
1656 if (!parser_next(parser)) {
1657 parseerror(parser, "expected variable declaration");
1660 if (!parser_variable(parser, block))
1665 else if (!strcmp(parser_tokval(parser), "return"))
1667 ast_expression *exp = NULL;
1668 ast_return *ret = NULL;
1669 ast_value *expected = parser->function->vtype;
1671 if (!parser_next(parser)) {
1672 parseerror(parser, "expected return expression");
1676 if (parser->tok != ';') {
1677 exp = parser_expression(parser, false);
1681 if (exp->expression.vtype != expected->expression.next->expression.vtype) {
1682 parseerror(parser, "return with invalid expression");
1685 ret = ast_return_new(exp->expression.node.context, exp);
1691 if (!parser_next(parser))
1692 parseerror(parser, "parse error");
1693 if (expected->expression.next->expression.vtype != TYPE_VOID) {
1694 if (opts_standard != COMPILER_GMQCC)
1695 (void)!parsewarning(parser, WARN_MISSING_RETURN_VALUES, "return without value");
1697 parseerror(parser, "return without value");
1699 ret = ast_return_new(parser_ctx(parser), NULL);
1701 *out = (ast_expression*)ret;
1704 else if (!strcmp(parser_tokval(parser), "if"))
1706 return parser_parse_if(parser, block, out);
1708 else if (!strcmp(parser_tokval(parser), "while"))
1710 return parser_parse_while(parser, block, out);
1712 else if (!strcmp(parser_tokval(parser), "do"))
1714 return parser_parse_dowhile(parser, block, out);
1716 else if (!strcmp(parser_tokval(parser), "for"))
1718 if (opts_standard == COMPILER_QCC) {
1719 if (parsewarning(parser, WARN_EXTENSIONS, "for loops are not recognized in the original Quake C standard, to enable try an alternate standard --std=?"))
1722 return parser_parse_for(parser, block, out);
1724 parseerror(parser, "Unexpected keyword");
1727 else if (parser->tok == '{')
1730 inner = parser_parse_block(parser, false);
1733 *out = (ast_expression*)inner;
1738 ast_expression *exp = parser_expression(parser, false);
1746 static void parser_pop_local(parser_t *parser)
1748 parser->locals_count--;
1749 mem_d(parser->locals[parser->locals_count].name);
1752 static bool parser_parse_block_into(parser_t *parser, ast_block *block, bool warnreturn)
1754 size_t oldblocklocal;
1756 oldblocklocal = parser->blocklocal;
1757 parser->blocklocal = parser->locals_count;
1759 if (!parser_next(parser)) { /* skip the '{' */
1760 parseerror(parser, "expected function body");
1764 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
1766 ast_expression *expr;
1767 if (parser->tok == '}')
1770 if (!parser_parse_statement(parser, block, &expr)) {
1771 parseerror(parser, "parse error");
1777 if (!ast_block_exprs_add(block, expr)) {
1784 if (parser->tok != '}') {
1787 if (warnreturn && parser->function->vtype->expression.next->expression.vtype != TYPE_VOID)
1789 if (!block->exprs_count ||
1790 !ast_istype(block->exprs[block->exprs_count-1], ast_return))
1792 if (parsewarning(parser, WARN_MISSING_RETURN_VALUES, "control reaches end of non-void function")) {
1798 (void)parser_next(parser);
1802 while (parser->locals_count > parser->blocklocal)
1803 parser_pop_local(parser);
1804 parser->blocklocal = oldblocklocal;
1808 static ast_block* parser_parse_block(parser_t *parser, bool warnreturn)
1811 block = ast_block_new(parser_ctx(parser));
1814 if (!parser_parse_block_into(parser, block, warnreturn)) {
1815 ast_block_delete(block);
1821 static ast_expression* parser_parse_statement_or_block(parser_t *parser)
1823 ast_expression *expr = NULL;
1824 if (parser->tok == '{')
1825 return (ast_expression*)parser_parse_block(parser, false);
1826 if (!parser_parse_statement(parser, NULL, &expr))
1831 static bool create_vector_members(parser_t *parser, ast_value *var,
1832 varentry_t *vx, varentry_t *vy, varentry_t *vz)
1834 size_t len = strlen(var->name);
1835 vx->var = (ast_expression*)ast_member_new(ast_ctx(var), (ast_expression*)var, 0);
1837 parseerror(parser, "failed to create vector members (out of memory)");
1841 vy->var = (ast_expression*)ast_member_new(ast_ctx(var), (ast_expression*)var, 1);
1843 ast_delete(vx->var);
1844 parseerror(parser, "failed to create vector members (out of memory)");
1848 vz->var = (ast_expression*)ast_member_new(ast_ctx(var), (ast_expression*)var, 2);
1850 ast_delete(vy->var);
1851 ast_delete(vx->var);
1852 parseerror(parser, "failed to create vector members (out of memory)");
1856 if ( !(vx->name = (char*)mem_a(len+3)) ) {
1857 ast_delete(vz->var);
1858 ast_delete(vy->var);
1859 ast_delete(vx->var);
1860 parseerror(parser, "failed to create vector members (out of memory)");
1863 if ( !(vy->name = (char*)mem_a(len+3)) ) {
1865 ast_delete(vz->var);
1866 ast_delete(vy->var);
1867 ast_delete(vx->var);
1868 parseerror(parser, "failed to create vector members (out of memory)");
1871 if ( !(vz->name = (char*)mem_a(len+3)) ) {
1874 ast_delete(vz->var);
1875 ast_delete(vy->var);
1876 ast_delete(vx->var);
1877 parseerror(parser, "failed to create vector members (out of memory)");
1881 memcpy(vx->name, var->name, len);
1882 memcpy(vy->name, var->name, len);
1883 memcpy(vz->name, var->name, len);
1884 vx->name[len] = vy->name[len] = vz->name[len] = '_';
1885 vx->name[len+1] = 'x';
1886 vy->name[len+1] = 'y';
1887 vz->name[len+1] = 'z';
1888 vx->name[len+2] = vy->name[len+2] = vz->name[len+2] = 0;
1892 static bool parser_variable(parser_t *parser, ast_block *localblock)
1894 bool isfunc = false;
1898 ast_expression *olddecl;
1905 int basetype = parser_token(parser)->constval.t;
1907 if (!parser_next(parser)) {
1908 parseerror(parser, "expected variable definition");
1912 typevar = parser_parse_type(parser, basetype, &isfunc);
1922 ctx = parser_ctx(parser);
1923 var = ast_value_copy(typevar);
1926 ast_delete(typevar);
1927 parseerror(parser, "failed to create variable");
1931 if (parser->tok != TOKEN_IDENT) {
1932 parseerror(parser, "expected variable name");
1933 ast_value_delete(typevar);
1934 ast_value_delete(var);
1939 if (!localblock && (olddecl = parser_find_global(parser, parser_tokval(parser)))) {
1940 ast_value_delete(typevar);
1941 ast_value_delete(var);
1942 parseerror(parser, "global `%s` already declared here: %s:%i",
1943 parser_tokval(parser), ast_ctx(olddecl).file, (int)ast_ctx(olddecl).line);
1948 olddecl = parser_find_local(parser, parser_tokval(parser), parser->blocklocal, &isparam);
1949 if (opts_standard == COMPILER_GMQCC)
1954 ast_value_delete(typevar);
1955 ast_value_delete(var);
1956 parseerror(parser, "local `%s` already declared here: %s:%i",
1957 parser_tokval(parser), ast_ctx(olddecl).file, (int)ast_ctx(olddecl).line);
1962 if( (!isparam && olddecl) || (olddecl = parser_find_local(parser, parser_tokval(parser), 0, &isparam)) )
1964 if (parsewarning(parser, WARN_LOCAL_SHADOWS,
1965 "local `%s` is shadowing a parameter", parser_tokval(parser)))
1967 ast_value_delete(typevar);
1968 ast_value_delete(var);
1969 parseerror(parser, "local `%s` already declared here: %s:%i",
1970 parser_tokval(parser), ast_ctx(olddecl).file, (int)ast_ctx(olddecl).line);
1979 ast_value_delete(var);
1981 parsewarning(parser, WARN_LOCAL_SHADOWS,
1982 "a parameter is shadowing local `%s`", parser_tokval(parser)))
1984 ast_value_delete(typevar);
1985 ast_value_delete(var);
1990 parseerror(parser, "local `%s` already declared here: %s:%i",
1991 parser_tokval(parser), ast_ctx(olddecl).file, (int)ast_ctx(olddecl).line);
1992 ast_value_delete(typevar);
1993 ast_value_delete(var);
2002 if (!ast_value_set_name(var, parser_tokval(parser))) {
2003 parseerror(parser, "failed to set variable name\n");
2004 ast_value_delete(typevar);
2005 ast_value_delete(var);
2010 /* a function was defined */
2012 ast_value *proto = NULL;
2016 olddecl = parser_find_global(parser, parser_tokval(parser));
2018 olddecl = parser_find_local(parser, parser_tokval(parser), parser->blocklocal, &dummy);
2021 /* we had a prototype */
2022 if (!ast_istype(olddecl, ast_value)) {
2023 /* theoretically not possible you think?
2029 parseerror(parser, "cannot declare a function with the same name as a vector's member: %s",
2030 parser_tokval(parser));
2031 ast_value_delete(var);
2035 proto = (ast_value*)olddecl;
2038 /* turn var into a value of TYPE_FUNCTION, with the old var
2041 fval = ast_value_new(ctx, var->name, TYPE_FUNCTION);
2043 ast_value_delete(var);
2044 ast_value_delete(typevar);
2045 if (fval) ast_value_delete(fval);
2049 fval->expression.next = (ast_expression*)var;
2050 MEM_VECTOR_MOVE(&var->expression, params, &fval->expression, params);
2051 fval->expression.variadic = var->expression.variadic;
2053 /* we compare the type late here, but it's easier than
2054 * messing with the parameter-vector etc. earlier
2058 if (!ast_compare_type((ast_expression*)proto, (ast_expression*)fval)) {
2059 parseerror(parser, "conflicting types for `%s`, previous declaration was here: %s:%i",
2061 ast_ctx(proto).file, ast_ctx(proto).line);
2062 ast_value_delete(fval);
2063 ast_value_delete(typevar);
2066 /* copy over the parameter names */
2067 for (param = 0; param < fval->expression.params_count; ++param)
2068 ast_value_set_name(proto->expression.params[param], fval->expression.params[param]->name);
2069 /* copy the new context */
2070 ast_ctx(proto) = ast_ctx(fval);
2072 /* now ditch the rest of the new data */
2073 ast_value_delete(fval);
2082 varent.name = util_strdup(var->name);
2083 varent.var = (ast_expression*)var;
2084 if (var->expression.vtype == TYPE_VECTOR)
2086 varentry_t vx, vy, vz;
2087 if (!create_vector_members(parser, var, &vx, &vy, &vz)) {
2089 ast_value_delete(typevar);
2094 (void)!parser_t_globals_add(parser, varent);
2095 (void)!parser_t_globals_add(parser, vx);
2096 (void)!parser_t_globals_add(parser, vy);
2097 (void)!parser_t_globals_add(parser, vz);
2099 (void)!parser_t_locals_add(parser, varent);
2100 (void)!parser_t_locals_add(parser, vx);
2101 (void)!parser_t_locals_add(parser, vy);
2102 (void)!parser_t_locals_add(parser, vz);
2103 if (!ast_block_locals_add(localblock, var) ||
2104 !ast_block_collect(localblock, vx.var) ||
2105 !ast_block_collect(localblock, vy.var) ||
2106 !ast_block_collect(localblock, vz.var))
2108 parser_pop_local(parser);
2109 parser_pop_local(parser);
2110 parser_pop_local(parser);
2111 parser_pop_local(parser);
2112 ast_value_delete(var);
2113 ast_value_delete(typevar);
2120 if ( (!localblock && !parser_t_globals_add(parser, varent)) ||
2121 ( localblock && !parser_t_locals_add(parser, varent)) )
2123 ast_value_delete(var);
2124 ast_value_delete(typevar);
2127 if (localblock && !ast_block_locals_add(localblock, var))
2129 parser_pop_local(parser);
2130 ast_value_delete(var);
2131 ast_value_delete(typevar);
2138 if (!parser_next(parser)) {
2139 ast_value_delete(typevar);
2140 ast_value_delete(var);
2144 if (parser->tok == ';') {
2145 ast_value_delete(typevar);
2146 if (!parser_next(parser))
2151 if (parser->tok == ',') {
2153 if (!parser_next(parser)) {
2154 ast_delete(typevar);
2160 if (localblock && opts_standard == COMPILER_QCC) {
2161 if (parsewarning(parser, WARN_LOCAL_CONSTANTS,
2162 "initializing expression turns variable `%s` into a constant in this standard",
2165 ast_value_delete(typevar);
2170 if (parser->tok != '=') {
2171 ast_value_delete(typevar);
2172 parseerror(parser, "expected '=' or ';'");
2176 if (!parser_next(parser)) {
2177 ast_value_delete(typevar);
2181 if (parser->tok == '#') {
2185 parseerror(parser, "cannot declare builtins within functions");
2186 ast_value_delete(typevar);
2190 parseerror(parser, "unexpected builtin number, '%s' is not a function", var->name);
2191 ast_value_delete(typevar);
2194 if (!parser_next(parser)) {
2195 parseerror(parser, "expected builtin number");
2196 ast_value_delete(typevar);
2199 if (parser->tok != TOKEN_INTCONST) {
2200 parseerror(parser, "builtin number must be an integer constant");
2201 ast_value_delete(typevar);
2204 if (parser_token(parser)->constval.i <= 0) {
2205 parseerror(parser, "builtin number must be positive integer greater than zero");
2206 ast_value_delete(typevar);
2210 func = ast_function_new(ast_ctx(var), var->name, var);
2212 parseerror(parser, "failed to allocate function for `%s`", var->name);
2213 ast_value_delete(typevar);
2216 if (!parser_t_functions_add(parser, func)) {
2217 parseerror(parser, "failed to allocate slot for function `%s`", var->name);
2218 ast_function_delete(func);
2219 var->constval.vfunc = NULL;
2220 ast_value_delete(typevar);
2224 func->builtin = -parser_token(parser)->constval.i;
2226 if (!parser_next(parser)) {
2227 ast_value_delete(typevar);
2230 } else if (parser->tok == '{' || parser->tok == '[') {
2237 ast_expression *fld_think, *fld_nextthink, *fld_frame;
2238 ast_expression *gbl_time, *gbl_self;
2239 ast_expression *framenum, *nextthink;
2240 bool has_frame_think;
2242 has_frame_think = false;
2243 old = parser->function;
2245 if (var->expression.variadic) {
2246 if (parsewarning(parser, WARN_VARIADIC_FUNCTION,
2247 "variadic function with implementation will not be able to access additional parameters"))
2249 ast_value_delete(typevar);
2255 parseerror(parser, "cannot declare functions within functions");
2256 ast_value_delete(typevar);
2260 if (parser->tok == '[') {
2261 /* got a frame definition: [ framenum, nextthink ]
2262 * this translates to:
2263 * self.frame = framenum;
2264 * self.nextthink = time + 0.1;
2265 * self.think = nextthink;
2269 fld_think = parser_find_field(parser, "think");
2270 fld_nextthink = parser_find_field(parser, "nextthink");
2271 fld_frame = parser_find_field(parser, "frame");
2272 if (!fld_think || !fld_nextthink || !fld_frame) {
2273 parseerror(parser, "cannot use [frame,think] notation without the required fields");
2274 parseerror(parser, "please declare the following entityfields: `frame`, `think`, `nextthink`");
2275 ast_value_delete(typevar);
2278 gbl_time = parser_find_global(parser, "time");
2279 gbl_self = parser_find_global(parser, "self");
2280 if (!gbl_time || !gbl_self) {
2281 parseerror(parser, "cannot use [frame,think] notation without the required globals");
2282 parseerror(parser, "please declare the following globals: `time`, `self`");
2283 ast_value_delete(typevar);
2287 if (!parser_next(parser)) {
2288 ast_value_delete(typevar);
2292 framenum = parser_expression_leave(parser, true);
2294 parseerror(parser, "expected a framenumber constant in[frame,think] notation");
2295 ast_value_delete(typevar);
2298 if (!ast_istype(framenum, ast_value) || !( (ast_value*)framenum )->isconst) {
2299 ast_unref(framenum);
2300 parseerror(parser, "framenumber in [frame,think] notation must be a constant");
2303 if (parser->tok != ',') {
2304 ast_unref(framenum);
2305 parseerror(parser, "expected comma after frame number in [frame,think] notation");
2306 parseerror(parser, "Got a %i\n", parser->tok);
2307 ast_value_delete(typevar);
2311 if (!parser_next(parser)) {
2312 ast_unref(framenum);
2313 ast_value_delete(typevar);
2317 if (parser->tok == TOKEN_IDENT && !parser_find_var(parser, parser_tokval(parser)))
2319 /* qc allows the use of not-yet-declared functions here
2320 * - this automatically creates a prototype */
2322 ast_value *thinkfunc;
2323 ast_expression *functype = fld_think->expression.next;
2325 thinkfunc = ast_value_new(parser_ctx(parser), parser_tokval(parser), functype->expression.vtype);
2326 if (!thinkfunc || !ast_type_adopt(thinkfunc, functype)) {
2327 ast_unref(framenum);
2328 parseerror(parser, "failed to create implicit prototype for `%s`", parser_tokval(parser));
2329 ast_value_delete(typevar);
2333 if (!parser_next(parser)) {
2334 ast_unref(framenum);
2335 ast_value_delete(typevar);
2339 varent.var = (ast_expression*)thinkfunc;
2340 varent.name = util_strdup(thinkfunc->name);
2341 (void)!parser_t_globals_add(parser, varent);
2342 nextthink = (ast_expression*)thinkfunc;
2345 nextthink = parser_expression_leave(parser, true);
2347 ast_unref(framenum);
2348 parseerror(parser, "expected a think-function in [frame,think] notation");
2349 ast_value_delete(typevar);
2354 if (!ast_istype(nextthink, ast_value)) {
2355 ast_unref(nextthink);
2356 ast_unref(framenum);
2357 parseerror(parser, "think-function in [frame,think] notation must be a constant");
2360 if (parser->tok != ']') {
2361 parseerror(parser, "expected closing `]` for [frame,think] notation");
2362 ast_unref(nextthink);
2363 ast_unref(framenum);
2364 ast_value_delete(typevar);
2368 if (!parser_next(parser)) {
2369 ast_unref(nextthink);
2370 ast_unref(framenum);
2371 ast_value_delete(typevar);
2375 if (parser->tok != '{') {
2376 parseerror(parser, "a function body has to be declared after a [frame,think] declaration");
2377 ast_unref(nextthink);
2378 ast_unref(framenum);
2379 ast_value_delete(typevar);
2383 has_frame_think = true;
2386 block = ast_block_new(parser_ctx(parser));
2388 parseerror(parser, "failed to allocate block");
2389 ast_value_delete(typevar);
2393 if (has_frame_think) {
2395 ast_expression *self_frame;
2396 ast_expression *self_nextthink;
2397 ast_expression *self_think;
2398 ast_expression *time_plus_1;
2399 ast_store *store_frame;
2400 ast_store *store_nextthink;
2401 ast_store *store_think;
2403 ctx = parser_ctx(parser);
2404 self_frame = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_frame);
2405 self_nextthink = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_nextthink);
2406 self_think = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_think);
2408 time_plus_1 = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_F,
2409 gbl_time, (ast_expression*)parser_const_float(parser, 0.1));
2411 store_frame = ast_store_new(ctx, INSTR_STOREP_F, self_frame, framenum);
2412 store_nextthink = ast_store_new(ctx, INSTR_STOREP_F, self_nextthink, time_plus_1);
2413 store_think = ast_store_new(ctx, INSTR_STOREP_FNC, self_think, nextthink);
2415 if (!ast_block_exprs_add(block, (ast_expression*)store_frame) ||
2416 !ast_block_exprs_add(block, (ast_expression*)store_nextthink) ||
2417 !ast_block_exprs_add(block, (ast_expression*)store_think) )
2419 parseerror(parser, "failed to generate code for [frame,think]");
2420 ast_block_delete(block);
2421 ast_value_delete(typevar);
2426 for (parami = 0; parami < var->expression.params_count; ++parami) {
2427 ast_value *param = var->expression.params[parami];
2428 varentry_t vx, vy, vz;
2430 if (param->expression.vtype != TYPE_VECTOR &&
2431 (param->expression.vtype != TYPE_FIELD ||
2432 param->expression.next->expression.vtype != TYPE_VECTOR))
2437 if (!create_vector_members(parser, param, &vx, &vy, &vz)) {
2438 ast_block_delete(block);
2439 ast_value_delete(typevar);
2443 (void)!parser_t_locals_add(parser, vx);
2444 (void)!parser_t_locals_add(parser, vy);
2445 (void)!parser_t_locals_add(parser, vz);
2446 if (!ast_block_collect(block, vx.var) ||
2447 !ast_block_collect(block, vy.var) ||
2448 !ast_block_collect(block, vz.var) )
2450 parser_pop_local(parser);
2451 parser_pop_local(parser);
2452 parser_pop_local(parser);
2453 ast_block_delete(block);
2454 ast_value_delete(typevar);
2459 func = ast_function_new(ast_ctx(var), var->name, var);
2461 parseerror(parser, "failed to allocate function for `%s`", var->name);
2462 ast_block_delete(block);
2463 parser->function = old;
2464 ast_value_delete(typevar);
2467 if (!parser_t_functions_add(parser, func)) {
2468 parseerror(parser, "failed to allocate slot for function `%s`", var->name);
2469 ast_function_delete(func);
2470 var->constval.vfunc = NULL;
2471 ast_value_delete(typevar);
2472 ast_block_delete(block);
2473 parser->function = old;
2477 parser->function = func;
2478 if (!parser_parse_block_into(parser, block, true)) {
2479 ast_block_delete(block);
2480 parser->function = old;
2481 ast_value_delete(typevar);
2484 parser->function = old;
2485 while (parser->locals_count)
2486 parser_pop_local(parser);
2489 ast_value_delete(typevar);
2493 if (!ast_function_blocks_add(func, block)) {
2494 ast_block_delete(block);
2495 ast_value_delete(typevar);
2499 if (parser->tok == ';') {
2500 ast_value_delete(typevar);
2501 return parser_next(parser) || parser->tok == TOKEN_EOF;
2503 else if (opts_standard == COMPILER_QCC)
2504 parseerror(parser, "missing semicolon after function body (mandatory with -std=qcc)");
2505 ast_value_delete(typevar);
2508 ast_expression *cexp;
2511 cexp = parser_expression_leave(parser, true);
2513 ast_value_delete(typevar);
2517 cval = (ast_value*)cexp;
2518 if (!ast_istype(cval, ast_value) || !cval->isconst)
2519 parseerror(parser, "cannot initialize a global constant variable with a non-constant expression");
2522 var->isconst = true;
2523 if (cval->expression.vtype == TYPE_STRING)
2524 var->constval.vstring = parser_strdup(cval->constval.vstring);
2526 memcpy(&var->constval, &cval->constval, sizeof(var->constval));
2531 if (parser->tok == ',') {
2536 if (parser->tok != ';') {
2537 parseerror(parser, "missing semicolon");
2538 ast_value_delete(typevar);
2542 (void)parser_next(parser);
2544 ast_value_delete(typevar);
2549 static bool parser_do(parser_t *parser)
2551 if (parser->tok == TOKEN_TYPENAME)
2553 return parser_variable(parser, NULL);
2555 else if (parser->tok == TOKEN_KEYWORD)
2557 /* handle 'var' and 'const' */
2560 else if (parser->tok == '.')
2565 ast_expression *oldex;
2566 bool isfunc = false;
2568 lex_ctx ctx = parser_ctx(parser);
2571 /* entity-member declaration */
2572 if (!parser_next(parser) || parser->tok != TOKEN_TYPENAME) {
2573 parseerror(parser, "expected member variable definition");
2577 /* remember the base/return type */
2578 basetype = parser_token(parser)->constval.t;
2580 /* parse into the declaration */
2581 if (!parser_next(parser)) {
2582 parseerror(parser, "expected field definition");
2586 /* parse the field type fully */
2587 typevar = var = parser_parse_type(parser, basetype, &isfunc);
2592 var = ast_value_copy(typevar);
2593 /* now the field name */
2594 if (parser->tok != TOKEN_IDENT) {
2595 parseerror(parser, "expected field name");
2600 /* check for an existing field
2601 * in original qc we also have to check for an existing
2602 * global named like the field
2604 if (opts_standard == COMPILER_QCC) {
2605 if (parser_find_global(parser, parser_tokval(parser))) {
2606 parseerror(parser, "cannot declare a field and a global of the same name with -std=qcc");
2614 fval = ast_value_new(ctx, var->name, TYPE_FUNCTION);
2616 ast_value_delete(var);
2619 fval->expression.next = (ast_expression*)var;
2620 MEM_VECTOR_MOVE(&var->expression, params, &fval->expression, params);
2621 fval->expression.variadic = var->expression.variadic;
2625 /* turn it into a field */
2626 fld = ast_value_new(ctx, parser_tokval(parser), TYPE_FIELD);
2627 fld->expression.next = (ast_expression*)var;
2629 if ( (oldex = parser_find_field(parser, parser_tokval(parser)))) {
2630 if (ast_istype(oldex, ast_member)) {
2631 parseerror(parser, "cannot declare a field with the same name as a vector component, component %s has been declared here: %s:%i",
2632 parser_tokval(parser), ast_ctx(oldex).file, (int)ast_ctx(oldex).line);
2636 if (!ast_istype(oldex, ast_value)) {
2637 /* not possible / sanity check */
2638 parseerror(parser, "internal error: %s is not an ast_value", parser_tokval(parser));
2643 if (!ast_compare_type(oldex, (ast_expression*)fld)) {
2644 parseerror(parser, "field %s has previously been declared with a different type here: %s:%i",
2645 parser_tokval(parser), ast_ctx(oldex).file, (int)ast_ctx(oldex).line);
2649 if (parsewarning(parser, WARN_FIELD_REDECLARED, "field `%s` has already been declared here: %s:%i",
2650 parser_tokval(parser), ast_ctx(oldex).file, (int)ast_ctx(oldex).line))
2661 varent.var = (ast_expression*)fld;
2662 varent.name = util_strdup(fld->name);
2663 (void)!parser_t_fields_add(parser, varent);
2665 if (var->expression.vtype == TYPE_VECTOR)
2667 /* create _x, _y and _z fields as well */
2668 varentry_t vx, vy, vz;
2669 if (!create_vector_members(parser, fld, &vx, &vy, &vz)) {
2673 (void)!parser_t_fields_add(parser, vx);
2674 (void)!parser_t_fields_add(parser, vy);
2675 (void)!parser_t_fields_add(parser, vz);
2679 if (!parser_next(parser)) {
2680 parseerror(parser, "expected semicolon or another field name");
2683 if (parser->tok == ';')
2685 if (parser->tok != ',' || !parser_next(parser)) {
2686 parseerror(parser, "expected semicolon or another field name");
2690 ast_delete(typevar);
2692 /* skip the semicolon */
2693 if (!parser_next(parser))
2694 return parser->tok == TOKEN_EOF;
2698 else if (parser->tok == '$')
2700 if (!parser_next(parser)) {
2701 parseerror(parser, "parse error");
2707 parseerror(parser, "unexpected token: %s", parser->lex->tok->value);
2713 static parser_t *parser;
2717 parser = (parser_t*)mem_a(sizeof(parser_t));
2721 memset(parser, 0, sizeof(*parser));
2725 bool parser_compile(const char *filename)
2727 parser->lex = lex_open(filename);
2729 printf("failed to open file \"%s\"\n", filename);
2733 /* initial lexer/parser state */
2734 parser->lex->flags.noops = true;
2736 if (parser_next(parser))
2738 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
2740 if (!parser_do(parser)) {
2741 if (parser->tok == TOKEN_EOF)
2742 parseerror(parser, "unexpected eof");
2743 else if (!parser->errors)
2744 parseerror(parser, "parse error");
2745 lex_close(parser->lex);
2751 parseerror(parser, "parse error");
2752 lex_close(parser->lex);
2757 lex_close(parser->lex);
2760 return !parser->errors;
2763 void parser_cleanup()
2766 for (i = 0; i < parser->functions_count; ++i) {
2767 ast_delete(parser->functions[i]);
2769 for (i = 0; i < parser->imm_vector_count; ++i) {
2770 ast_delete(parser->imm_vector[i]);
2772 for (i = 0; i < parser->imm_string_count; ++i) {
2773 ast_delete(parser->imm_string[i]);
2775 for (i = 0; i < parser->imm_float_count; ++i) {
2776 ast_delete(parser->imm_float[i]);
2778 for (i = 0; i < parser->fields_count; ++i) {
2779 ast_delete(parser->fields[i].var);
2780 mem_d(parser->fields[i].name);
2782 for (i = 0; i < parser->globals_count; ++i) {
2783 ast_delete(parser->globals[i].var);
2784 mem_d(parser->globals[i].name);
2786 MEM_VECTOR_CLEAR(parser, functions);
2787 MEM_VECTOR_CLEAR(parser, imm_vector);
2788 MEM_VECTOR_CLEAR(parser, imm_string);
2789 MEM_VECTOR_CLEAR(parser, imm_float);
2790 MEM_VECTOR_CLEAR(parser, globals);
2791 MEM_VECTOR_CLEAR(parser, fields);
2792 MEM_VECTOR_CLEAR(parser, locals);
2797 bool parser_finish(const char *output)
2802 if (!parser->errors)
2804 ir = ir_builder_new("gmqcc_out");
2806 printf("failed to allocate builder\n");
2810 for (i = 0; i < parser->fields_count; ++i) {
2813 if (!ast_istype(parser->fields[i].var, ast_value))
2815 field = (ast_value*)parser->fields[i].var;
2816 isconst = field->isconst;
2817 field->isconst = false;
2818 if (!ast_global_codegen((ast_value*)field, ir)) {
2819 printf("failed to generate field %s\n", field->name);
2820 ir_builder_delete(ir);
2825 ast_expression *subtype;
2826 field->isconst = true;
2827 subtype = field->expression.next;
2828 ifld = ir_builder_create_field(ir, field->name, subtype->expression.vtype);
2829 if (subtype->expression.vtype == TYPE_FIELD)
2830 ifld->fieldtype = subtype->expression.next->expression.vtype;
2831 else if (subtype->expression.vtype == TYPE_FUNCTION)
2832 ifld->outtype = subtype->expression.next->expression.vtype;
2833 (void)!ir_value_set_field(field->ir_v, ifld);
2836 for (i = 0; i < parser->globals_count; ++i) {
2837 if (!ast_istype(parser->globals[i].var, ast_value))
2839 if (!ast_global_codegen((ast_value*)(parser->globals[i].var), ir)) {
2840 printf("failed to generate global %s\n", parser->globals[i].name);
2841 ir_builder_delete(ir);
2845 for (i = 0; i < parser->imm_float_count; ++i) {
2846 if (!ast_global_codegen(parser->imm_float[i], ir)) {
2847 printf("failed to generate global %s\n", parser->imm_float[i]->name);
2848 ir_builder_delete(ir);
2852 for (i = 0; i < parser->imm_string_count; ++i) {
2853 if (!ast_global_codegen(parser->imm_string[i], ir)) {
2854 printf("failed to generate global %s\n", parser->imm_string[i]->name);
2855 ir_builder_delete(ir);
2859 for (i = 0; i < parser->imm_vector_count; ++i) {
2860 if (!ast_global_codegen(parser->imm_vector[i], ir)) {
2861 printf("failed to generate global %s\n", parser->imm_vector[i]->name);
2862 ir_builder_delete(ir);
2866 for (i = 0; i < parser->functions_count; ++i) {
2867 if (!ast_function_codegen(parser->functions[i], ir)) {
2868 printf("failed to generate function %s\n", parser->functions[i]->name);
2869 ir_builder_delete(ir);
2872 if (!ir_function_finalize(parser->functions[i]->ir_func)) {
2873 printf("failed to finalize function %s\n", parser->functions[i]->name);
2874 ir_builder_delete(ir);
2880 ir_builder_dump(ir, printf);
2882 if (!ir_builder_generate(ir, output)) {
2883 printf("*** failed to generate output file\n");
2884 ir_builder_delete(ir);
2888 ir_builder_delete(ir);
2892 printf("*** there were compile errors\n");