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_function *function;
24 MEM_VECTOR_MAKE(varentry_t, locals);
29 /* TYPE_FIELD -> parser_find_fields is used instead of find_var
30 * TODO: TYPE_VECTOR -> x, y and z are accepted in the gmqcc standard
31 * anything else: type error
36 MEM_VEC_FUNCTIONS(parser_t, varentry_t, globals)
37 MEM_VEC_FUNCTIONS(parser_t, varentry_t, fields)
38 MEM_VEC_FUNCTIONS(parser_t, ast_value*, imm_float)
39 MEM_VEC_FUNCTIONS(parser_t, ast_value*, imm_string)
40 MEM_VEC_FUNCTIONS(parser_t, ast_value*, imm_vector)
41 MEM_VEC_FUNCTIONS(parser_t, varentry_t, locals)
42 MEM_VEC_FUNCTIONS(parser_t, ast_function*, functions)
44 static void parser_pop_local(parser_t *parser);
45 static bool parser_variable(parser_t *parser, ast_block *localblock);
46 static ast_block* parser_parse_block(parser_t *parser);
47 static ast_expression* parser_parse_statement_or_block(parser_t *parser);
48 static ast_expression* parser_expression_leave(parser_t *parser);
49 static ast_expression* parser_expression(parser_t *parser);
51 void parseerror(parser_t *parser, const char *fmt, ...)
58 vprintmsg(LVL_ERROR, parser->lex->tok->ctx.file, parser->lex->tok->ctx.line, "parse error", fmt, ap);
64 /* returns true if it counts as an error */
65 bool GMQCC_WARN parsewarning(parser_t *parser, int warntype, const char *fmt, ...)
68 int lvl = LVL_WARNING;
70 if (!OPTS_WARN(warntype))
73 if (OPTS_WARN(WARN_ERROR)) {
79 vprintmsg(lvl, parser->lex->tok->ctx.file, parser->lex->tok->ctx.line, "warning", fmt, ap);
82 return OPTS_WARN(WARN_ERROR);
85 bool parser_next(parser_t *parser)
87 /* lex_do kills the previous token */
88 parser->tok = lex_do(parser->lex);
89 if (parser->tok == TOKEN_EOF || parser->tok >= TOKEN_ERROR)
94 /* lift a token out of the parser so it's not destroyed by parser_next */
95 token *parser_lift(parser_t *parser)
97 token *tok = parser->lex->tok;
98 parser->lex->tok = NULL;
102 #define parser_tokval(p) (p->lex->tok->value)
103 #define parser_token(p) (p->lex->tok)
104 #define parser_ctx(p) (p->lex->tok->ctx)
106 ast_value* parser_const_float(parser_t *parser, double d)
110 for (i = 0; i < parser->imm_float_count; ++i) {
111 if (parser->imm_float[i]->constval.vfloat == d)
112 return parser->imm_float[i];
114 out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_FLOAT);
116 out->constval.vfloat = d;
117 if (!parser_t_imm_float_add(parser, out)) {
118 ast_value_delete(out);
124 ast_value* parser_const_string(parser_t *parser, const char *str)
128 for (i = 0; i < parser->imm_string_count; ++i) {
129 if (!strcmp(parser->imm_string[i]->constval.vstring, str))
130 return parser->imm_string[i];
132 out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_STRING);
134 out->constval.vstring = util_strdup(str);
135 if (!parser_t_imm_string_add(parser, out)) {
136 ast_value_delete(out);
142 ast_value* parser_const_vector(parser_t *parser, vector v)
146 for (i = 0; i < parser->imm_vector_count; ++i) {
147 if (!memcmp(&parser->imm_vector[i]->constval.vvec, &v, sizeof(v)))
148 return parser->imm_vector[i];
150 out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_VECTOR);
152 out->constval.vvec = v;
153 if (!parser_t_imm_vector_add(parser, out)) {
154 ast_value_delete(out);
160 ast_expression* parser_find_field(parser_t *parser, const char *name)
163 for (i = 0; i < parser->fields_count; ++i) {
164 if (!strcmp(parser->fields[i].name, name))
165 return parser->fields[i].var;
170 ast_expression* parser_find_global(parser_t *parser, const char *name)
173 for (i = 0; i < parser->globals_count; ++i) {
174 if (!strcmp(parser->globals[i].name, name))
175 return parser->globals[i].var;
180 ast_expression* parser_find_local(parser_t *parser, const char *name, size_t upto)
184 for (i = parser->locals_count; i > upto;) {
186 if (!strcmp(parser->locals[i].name, name))
187 return parser->locals[i].var;
189 fun = parser->function->vtype;
190 for (i = 0; i < fun->expression.params_count; ++i) {
191 if (!strcmp(fun->expression.params[i]->name, name))
192 return (ast_expression*)(fun->expression.params[i]);
197 ast_expression* parser_find_var(parser_t *parser, const char *name)
200 v = parser_find_local(parser, name, 0);
201 if (!v) v = parser_find_global(parser, name);
206 MEM_VECTOR_MAKE(ast_value*, p);
208 MEM_VEC_FUNCTIONS(paramlist_t, ast_value*, p)
210 static ast_value *parser_parse_type(parser_t *parser, int basetype, bool *isfunc)
214 lex_ctx ctx = parser_ctx(parser);
215 int vtype = basetype;
219 MEM_VECTOR_INIT(¶ms, p);
223 if (parser->tok == '(') {
229 if (!parser_next(parser))
232 if (parser->tok == ')')
235 temptype = parser_token(parser)->constval.t;
236 if (!parser_next(parser))
239 param = parser_parse_type(parser, temptype, &dummy);
245 if (parser->tok == TOKEN_IDENT) {
246 /* named parameter */
247 if (!ast_value_set_name(param, parser_tokval(parser)))
249 if (!parser_next(parser))
253 if (!paramlist_t_p_add(¶ms, param)) {
254 parseerror(parser, "Out of memory while parsing typename");
258 if (parser->tok == ',')
260 if (parser->tok == ')')
262 parseerror(parser, "Unexpected token");
265 if (!parser_next(parser))
269 var = ast_value_new(ctx, "<unnamed>", vtype);
272 MEM_VECTOR_MOVE(¶ms, p, &var->expression, params);
275 for (i = 0; i < params.p_count; ++i)
276 ast_value_delete(params.p[i]);
277 MEM_VECTOR_CLEAR(¶ms, p);
283 size_t etype; /* 0 = expression, others are operators */
287 ast_block *block; /* for commas and function calls */
292 MEM_VECTOR_MAKE(sy_elem, out);
293 MEM_VECTOR_MAKE(sy_elem, ops);
295 MEM_VEC_FUNCTIONS(shunt, sy_elem, out)
296 MEM_VEC_FUNCTIONS(shunt, sy_elem, ops)
298 static sy_elem syexp(lex_ctx ctx, ast_expression *v) {
308 static sy_elem syblock(lex_ctx ctx, ast_block *v) {
311 e.out = (ast_expression*)v;
318 static sy_elem syop(lex_ctx ctx, const oper_info *op) {
320 e.etype = 1 + (op - operators);
328 static sy_elem syparen(lex_ctx ctx, int p, size_t off) {
340 # define DEBUGSHUNTDO(x) x
342 # define DEBUGSHUNTDO(x)
345 static bool parser_sy_pop(parser_t *parser, shunt *sy)
349 ast_expression *out = NULL;
350 ast_expression *exprs[3];
351 ast_block *blocks[3];
353 qcint generated_op = 0;
355 if (!sy->ops_count) {
356 parseerror(parser, "internal error: missing operator");
360 if (sy->ops[sy->ops_count-1].paren) {
361 parseerror(parser, "unmatched parenthesis");
365 op = &operators[sy->ops[sy->ops_count-1].etype - 1];
366 ctx = sy->ops[sy->ops_count-1].ctx;
368 DEBUGSHUNTDO(printf("apply %s\n", op->op));
370 if (sy->out_count < op->operands) {
371 parseerror(parser, "internal error: not enough operands: %i", sy->out_count);
377 sy->out_count -= op->operands;
378 for (i = 0; i < op->operands; ++i) {
379 exprs[i] = sy->out[sy->out_count+i].out;
380 blocks[i] = sy->out[sy->out_count+i].block;
383 if (blocks[0] && !blocks[0]->exprs_count && op->id != opid1(',')) {
384 parseerror(parser, "internal error: operator cannot be applied on empty blocks");
388 #define NotSameType(T) \
389 (exprs[0]->expression.vtype != exprs[1]->expression.vtype || \
390 exprs[0]->expression.vtype != T)
394 parseerror(parser, "internal error: unhandled operand");
398 if (exprs[0]->expression.vtype == TYPE_ENTITY) {
399 if (exprs[1]->expression.vtype != TYPE_FIELD) {
400 parseerror(parser, "type error: right hand of member-operand should be an entity-field");
403 out = (ast_expression*)ast_entfield_new(ctx, exprs[0], exprs[1]);
405 else if (exprs[0]->expression.vtype == TYPE_VECTOR) {
406 parseerror(parser, "internal error: vector access is not supposed to be handled at this point");
410 parseerror(parser, "type error: member-of operator on something that is not an entity or vector");
417 if (!ast_block_exprs_add(blocks[0], exprs[1]))
420 blocks[0] = ast_block_new(ctx);
421 if (!ast_block_exprs_add(blocks[0], exprs[0]) ||
422 !ast_block_exprs_add(blocks[0], exprs[1]))
427 if (!ast_block_set_type(blocks[0], exprs[1]))
430 sy->out[sy->out_count++] = syblock(ctx, blocks[0]);
434 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype) {
435 parseerror(parser, "Cannot add type %s and %s",
436 type_name[exprs[0]->expression.vtype],
437 type_name[exprs[1]->expression.vtype]);
440 if (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) {
441 parseerror(parser, "type error: %s - %s not defined",
442 type_name[exprs[0]->expression.vtype],
443 type_name[exprs[1]->expression.vtype]);
446 switch (exprs[0]->expression.vtype) {
448 out = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_F, exprs[0], exprs[1]);
451 out = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_V, exprs[0], exprs[1]);
454 parseerror(parser, "type error: cannot add type %s to %s",
455 type_name[exprs[0]->expression.vtype],
456 type_name[exprs[1]->expression.vtype]);
461 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype) {
462 parseerror(parser, "type error: cannot subtract type %s from %s",
463 type_name[exprs[1]->expression.vtype],
464 type_name[exprs[0]->expression.vtype]);
467 if (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) {
468 parseerror(parser, "type error: %s - %s not defined",
469 type_name[exprs[0]->expression.vtype],
470 type_name[exprs[1]->expression.vtype]);
473 switch (exprs[0]->expression.vtype) {
475 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_F, exprs[0], exprs[1]);
478 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_V, exprs[0], exprs[1]);
481 parseerror(parser, "type error: cannot subtract type %s from %s",
482 type_name[exprs[1]->expression.vtype],
483 type_name[exprs[0]->expression.vtype]);
488 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype &&
489 exprs[0]->expression.vtype != TYPE_VECTOR &&
490 exprs[0]->expression.vtype != TYPE_FLOAT &&
491 exprs[1]->expression.vtype != TYPE_VECTOR &&
492 exprs[1]->expression.vtype != TYPE_FLOAT)
494 parseerror(parser, "type error: cannot multiply type %s by %s",
495 type_name[exprs[1]->expression.vtype],
496 type_name[exprs[0]->expression.vtype]);
499 switch (exprs[0]->expression.vtype) {
501 if (exprs[1]->expression.vtype == TYPE_VECTOR)
502 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_FV, exprs[0], exprs[1]);
504 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_F, exprs[0], exprs[1]);
507 if (exprs[1]->expression.vtype == TYPE_FLOAT)
508 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_VF, exprs[0], exprs[1]);
510 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_V, exprs[0], exprs[1]);
513 parseerror(parser, "type error: cannot multiply type %s by %s",
514 type_name[exprs[1]->expression.vtype],
515 type_name[exprs[0]->expression.vtype]);
520 if (NotSameType(TYPE_FLOAT)) {
521 parseerror(parser, "type error: cannot divide types %s and %s",
522 type_name[exprs[0]->expression.vtype],
523 type_name[exprs[1]->expression.vtype]);
526 out = (ast_expression*)ast_binary_new(ctx, INSTR_DIV_F, exprs[0], exprs[1]);
530 parseerror(parser, "qc does not have a modulo operator");
534 if (NotSameType(TYPE_FLOAT)) {
535 parseerror(parser, "type error: cannot perform bit operations on types %s and %s",
536 type_name[exprs[0]->expression.vtype],
537 type_name[exprs[1]->expression.vtype]);
540 out = (ast_expression*)ast_binary_new(ctx,
541 (op->id == opid1('|') ? INSTR_BITOR : INSTR_BITAND),
545 parseerror(parser, "TODO: bitxor");
550 case opid3('<','<','='):
551 case opid3('>','>','='):
552 parseerror(parser, "TODO: shifts");
556 generated_op += 1; /* INSTR_OR */
558 generated_op += INSTR_AND;
559 if (NotSameType(TYPE_FLOAT)) {
560 parseerror(parser, "type error: cannot apply logical operation on types %s and %s",
561 type_name[exprs[0]->expression.vtype],
562 type_name[exprs[1]->expression.vtype]);
563 parseerror(parser, "TODO: logical ops for arbitrary types using INSTR_NOT");
564 parseerror(parser, "TODO: optional early out");
567 if (opts_standard == COMPILER_GMQCC)
568 printf("TODO: early out logic\n");
569 out = (ast_expression*)ast_binary_new(ctx, generated_op, exprs[0], exprs[1]);
573 generated_op += 1; /* INSTR_GT */
575 generated_op += 1; /* INSTR_LT */
576 case opid2('>', '='):
577 generated_op += 1; /* INSTR_GE */
578 case opid2('<', '='):
579 generated_op += INSTR_LE;
580 if (NotSameType(TYPE_FLOAT)) {
581 parseerror(parser, "type error: cannot compare types %s and %s",
582 type_name[exprs[0]->expression.vtype],
583 type_name[exprs[1]->expression.vtype]);
586 out = (ast_expression*)ast_binary_new(ctx, generated_op, exprs[0], exprs[1]);
588 case opid2('!', '='):
589 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype) {
590 parseerror(parser, "type error: cannot compare types %s and %s",
591 type_name[exprs[0]->expression.vtype],
592 type_name[exprs[1]->expression.vtype]);
595 out = (ast_expression*)ast_binary_new(ctx, type_ne_instr[exprs[0]->expression.vtype], exprs[0], exprs[1]);
597 case opid2('=', '='):
598 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype) {
599 parseerror(parser, "type error: cannot compare types %s and %s",
600 type_name[exprs[0]->expression.vtype],
601 type_name[exprs[1]->expression.vtype]);
604 out = (ast_expression*)ast_binary_new(ctx, type_eq_instr[exprs[0]->expression.vtype], exprs[0], exprs[1]);
608 if (ast_istype(exprs[0], ast_entfield))
609 assignop = type_storep_instr[exprs[0]->expression.vtype];
611 assignop = type_store_instr[exprs[0]->expression.vtype];
612 out = (ast_expression*)ast_store_new(ctx, assignop, exprs[0], exprs[1]);
615 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype) {
616 parseerror(parser, "Cannot add type %s and %s",
617 type_name[exprs[0]->expression.vtype],
618 type_name[exprs[1]->expression.vtype]);
621 if (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) {
622 parseerror(parser, "type error: %s - %s not defined",
623 type_name[exprs[0]->expression.vtype],
624 type_name[exprs[1]->expression.vtype]);
627 switch (exprs[0]->expression.vtype) {
629 out = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_F, exprs[0], exprs[1]);
632 out = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_V, exprs[0], exprs[1]);
635 parseerror(parser, "type error: cannot add type %s to %s",
636 type_name[exprs[0]->expression.vtype],
637 type_name[exprs[1]->expression.vtype]);
645 parseerror(parser, "failed to apply operand %s", op->op);
649 DEBUGSHUNTDO(printf("applied %s\n", op->op));
650 sy->out[sy->out_count++] = syexp(ctx, out);
654 static bool parser_close_call(parser_t *parser, shunt *sy)
656 /* was a function call */
664 fid = sy->ops[sy->ops_count].off;
666 /* out[fid] is the function
667 * everything above is parameters...
669 * 1 params = ast_expression
673 if (sy->out_count < 1 || sy->out_count <= fid) {
674 parseerror(parser, "internal error: function call needs function and parameter list...");
678 fun = sy->out[fid].out;
680 call = ast_call_new(sy->ops[sy->ops_count].ctx, fun);
682 parseerror(parser, "out of memory");
686 if (fid+1 == sy->out_count) {
689 } else if (fid+2 == sy->out_count) {
692 params = sy->out[sy->out_count].block;
696 if (!ast_call_params_add(call, sy->out[sy->out_count].out)) {
697 ast_delete(sy->out[sy->out_count].out);
698 parseerror(parser, "out of memory");
702 paramcount = params->exprs_count;
703 MEM_VECTOR_MOVE(params, exprs, call, params);
707 parseerror(parser, "invalid function call");
711 /* overwrite fid, the function, with a call */
712 sy->out[fid] = syexp(call->expression.node.context, (ast_expression*)call);
714 if (fun->expression.vtype != TYPE_FUNCTION) {
715 parseerror(parser, "not a function");
719 if (!fun->expression.next) {
720 parseerror(parser, "could not determine function return type");
723 if (fun->expression.params_count != paramcount) {
724 parseerror(parser, "expected %i parameters, got %i", (int)fun->expression.params_count, paramcount);
732 static bool parser_close_paren(parser_t *parser, shunt *sy, bool functions_only)
734 if (!sy->ops_count) {
735 parseerror(parser, "unmatched closing paren");
738 if (sy->ops[sy->ops_count-1].paren == 1) {
739 parseerror(parser, "empty parenthesis expression");
742 while (sy->ops_count) {
743 if (sy->ops[sy->ops_count-1].paren == 'f') {
744 if (!parser_close_call(parser, sy))
748 if (sy->ops[sy->ops_count-1].paren == 1) {
750 return !functions_only;
752 if (!parser_sy_pop(parser, sy))
758 static ast_expression* parser_expression_leave(parser_t *parser)
760 ast_expression *expr = NULL;
763 bool gotmemberof = false;
765 /* count the parens because an if starts with one, so the
766 * end of a condition is an unmatched closing paren
770 MEM_VECTOR_INIT(&sy, out);
771 MEM_VECTOR_INIT(&sy, ops);
778 parser->memberof = 0;
781 bool nextwant = true;
782 if (parser->tok == TOKEN_IDENT)
786 if (opts_standard == COMPILER_GMQCC)
788 if (parser->memberof == TYPE_ENTITY)
789 var = parser_find_field(parser, parser_tokval(parser));
790 else if (parser->memberof == TYPE_VECTOR)
792 parseerror(parser, "TODO: implement effective vector member access");
795 else if (parser->memberof) {
796 parseerror(parser, "namespace for member not found");
800 var = parser_find_var(parser, parser_tokval(parser));
802 var = parser_find_var(parser, parser_tokval(parser));
804 var = parser_find_field(parser, parser_tokval(parser));
807 parseerror(parser, "unexpected ident: %s", parser_tokval(parser));
810 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), var))) {
811 parseerror(parser, "out of memory");
814 DEBUGSHUNTDO(printf("push %s\n", parser_tokval(parser)));
816 else if (parser->tok == TOKEN_FLOATCONST) {
817 ast_value *val = parser_const_float(parser, (parser_token(parser)->constval.f));
820 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
821 parseerror(parser, "out of memory");
824 DEBUGSHUNTDO(printf("push %g\n", parser_token(parser)->constval.f));
826 else if (parser->tok == TOKEN_INTCONST) {
827 ast_value *val = parser_const_float(parser, (double)(parser_token(parser)->constval.i));
830 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
831 parseerror(parser, "out of memory");
834 DEBUGSHUNTDO(printf("push %i\n", parser_token(parser)->constval.i));
836 else if (parser->tok == TOKEN_STRINGCONST) {
837 ast_value *val = parser_const_string(parser, parser_tokval(parser));
840 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
841 parseerror(parser, "out of memory");
844 DEBUGSHUNTDO(printf("push string\n"));
846 else if (parser->tok == TOKEN_VECTORCONST) {
847 ast_value *val = parser_const_vector(parser, parser_token(parser)->constval.v);
850 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
851 parseerror(parser, "out of memory");
854 DEBUGSHUNTDO(printf("push '%g %g %g'\n",
855 parser_token(parser)->constval.v.x,
856 parser_token(parser)->constval.v.y,
857 parser_token(parser)->constval.v.z));
859 else if (parser->tok == '(') {
861 nextwant = false; /* not expecting an operator next */
862 if (!shunt_ops_add(&sy, syparen(parser_ctx(parser), 1, 0))) {
863 parseerror(parser, "out of memory");
866 DEBUGSHUNTDO(printf("push (\n"));
868 else if (parser->tok == ')') {
869 DEBUGSHUNTDO(printf("do[nop] )\n"));
873 /* allowed for function calls */
874 if (!parser_close_paren(parser, &sy, true))
878 /* TODO: prefix operators */
879 parseerror(parser, "expected statement");
883 parser->lex->flags.noops = !wantop;
885 bool nextwant = false;
886 if (parser->tok == '(') {
887 DEBUGSHUNTDO(printf("push (\n"));
889 /* we expected an operator, this is the function-call operator */
890 if (!shunt_ops_add(&sy, syparen(parser_ctx(parser), 'f', sy.out_count-1))) {
891 parseerror(parser, "out of memory");
895 else if (parser->tok == ')') {
896 DEBUGSHUNTDO(printf("do[op] )\n"));
900 /* we do expect an operator next */
901 /* closing an opening paren */
902 if (!parser_close_paren(parser, &sy, false))
906 else if (parser->tok != TOKEN_OPERATOR) {
907 parseerror(parser, "expected operator or end of statement");
911 /* classify the operator */
912 /* TODO: suffix operators */
914 const oper_info *olast = NULL;
916 for (o = 0; o < operator_count; ++o) {
917 if (!(operators[o].flags & OP_PREFIX) &&
918 !(operators[o].flags & OP_SUFFIX) && /* remove this */
919 !strcmp(parser_tokval(parser), operators[o].op))
924 if (o == operator_count) {
925 /* no operator found... must be the end of the statement */
928 /* found an operator */
930 if (op->id == opid1('.')) {
931 /* for gmqcc standard: open up the namespace of the previous type */
932 ast_expression *prevex = sy.out[sy.out_count-1].out;
934 parseerror(parser, "unexpected member operator");
937 if (prevex->expression.vtype == TYPE_ENTITY)
938 parser->memberof = TYPE_ENTITY;
939 else if (prevex->expression.vtype == TYPE_VECTOR)
940 parser->memberof = TYPE_VECTOR;
942 parseerror(parser, "type error: type has no members");
948 if (sy.ops_count && !sy.ops[sy.ops_count-1].paren)
949 olast = &operators[sy.ops[sy.ops_count-1].etype-1];
952 (op->prec < olast->prec) ||
953 (op->assoc == ASSOC_LEFT && op->prec <= olast->prec) ) )
955 if (!parser_sy_pop(parser, &sy))
957 if (sy.ops_count && !sy.ops[sy.ops_count-1].paren)
958 olast = &operators[sy.ops[sy.ops_count-1].etype-1];
963 DEBUGSHUNTDO(printf("push operator %s\n", op->op));
964 if (!shunt_ops_add(&sy, syop(parser_ctx(parser), op)))
968 parser->lex->flags.noops = !wantop;
970 if (!parser_next(parser)) {
973 if (parser->tok == ';') {
978 while (sy.ops_count) {
979 if (!parser_sy_pop(parser, &sy))
983 parser->lex->flags.noops = true;
985 parseerror(parser, "empty expression");
988 expr = sy.out[0].out;
989 MEM_VECTOR_CLEAR(&sy, out);
990 MEM_VECTOR_CLEAR(&sy, ops);
991 DEBUGSHUNTDO(printf("shut done\n"));
995 parser->lex->flags.noops = true;
996 MEM_VECTOR_CLEAR(&sy, out);
997 MEM_VECTOR_CLEAR(&sy, ops);
1001 static ast_expression* parser_expression(parser_t *parser)
1003 ast_expression *e = parser_expression_leave(parser);
1006 if (!parser_next(parser)) {
1013 static bool parser_parse_if(parser_t *parser, ast_block *block, ast_expression **out)
1016 ast_expression *cond, *ontrue, *onfalse = NULL;
1018 lex_ctx ctx = parser_ctx(parser);
1020 /* skip the 'if' and check for opening paren */
1021 if (!parser_next(parser) || parser->tok != '(') {
1022 parseerror(parser, "expected 'if' condition in parenthesis");
1025 /* parse into the expression */
1026 if (!parser_next(parser)) {
1027 parseerror(parser, "expected 'if' condition after opening paren");
1030 /* parse the condition */
1031 cond = parser_expression_leave(parser);
1035 if (parser->tok != ')') {
1036 parseerror(parser, "expected closing paren after 'if' condition");
1040 /* parse into the 'then' branch */
1041 if (!parser_next(parser)) {
1042 parseerror(parser, "expected statement for on-true branch of 'if'");
1046 ontrue = parser_parse_statement_or_block(parser);
1051 /* check for an else */
1052 if (!strcmp(parser_tokval(parser), "else")) {
1053 /* parse into the 'else' branch */
1054 if (!parser_next(parser)) {
1055 parseerror(parser, "expected on-false branch after 'else'");
1060 onfalse = parser_parse_statement_or_block(parser);
1068 ifthen = ast_ifthen_new(ctx, cond, ontrue, onfalse);
1069 *out = (ast_expression*)ifthen;
1073 static bool parser_parse_while(parser_t *parser, ast_block *block, ast_expression **out)
1076 ast_expression *cond, *ontrue;
1078 lex_ctx ctx = parser_ctx(parser);
1080 /* skip the 'while' and check for opening paren */
1081 if (!parser_next(parser) || parser->tok != '(') {
1082 parseerror(parser, "expected 'while' condition in parenthesis");
1085 /* parse into the expression */
1086 if (!parser_next(parser)) {
1087 parseerror(parser, "expected 'while' condition after opening paren");
1090 /* parse the condition */
1091 cond = parser_expression_leave(parser);
1095 if (parser->tok != ')') {
1096 parseerror(parser, "expected closing paren after 'while' condition");
1100 /* parse into the 'then' branch */
1101 if (!parser_next(parser)) {
1102 parseerror(parser, "expected while-loop body");
1106 ontrue = parser_parse_statement_or_block(parser);
1112 aloop = ast_loop_new(ctx, NULL, cond, NULL, NULL, ontrue);
1113 *out = (ast_expression*)aloop;
1117 static bool parser_parse_dowhile(parser_t *parser, ast_block *block, ast_expression **out)
1120 ast_expression *cond, *ontrue;
1122 lex_ctx ctx = parser_ctx(parser);
1124 /* skip the 'do' and get the body */
1125 if (!parser_next(parser)) {
1126 parseerror(parser, "expected loop body");
1129 ontrue = parser_parse_statement_or_block(parser);
1133 /* expect the "while" */
1134 if (parser->tok != TOKEN_KEYWORD ||
1135 strcmp(parser_tokval(parser), "while"))
1137 parseerror(parser, "expected 'while' and condition");
1142 /* skip the 'while' and check for opening paren */
1143 if (!parser_next(parser) || parser->tok != '(') {
1144 parseerror(parser, "expected 'while' condition in parenthesis");
1148 /* parse into the expression */
1149 if (!parser_next(parser)) {
1150 parseerror(parser, "expected 'while' condition after opening paren");
1154 /* parse the condition */
1155 cond = parser_expression_leave(parser);
1159 if (parser->tok != ')') {
1160 parseerror(parser, "expected closing paren after 'while' condition");
1166 if (!parser_next(parser) || parser->tok != ';') {
1167 parseerror(parser, "expected semicolon after condition");
1173 if (!parser_next(parser)) {
1174 parseerror(parser, "parse error");
1180 aloop = ast_loop_new(ctx, NULL, NULL, cond, NULL, ontrue);
1181 *out = (ast_expression*)aloop;
1185 static bool parser_parse_for(parser_t *parser, ast_block *block, ast_expression **out)
1188 ast_expression *initexpr, *cond, *increment, *ontrue;
1189 size_t oldblocklocal;
1191 lex_ctx ctx = parser_ctx(parser);
1193 oldblocklocal = parser->blocklocal;
1194 parser->blocklocal = parser->locals_count;
1201 /* skip the 'while' and check for opening paren */
1202 if (!parser_next(parser) || parser->tok != '(') {
1203 parseerror(parser, "expected 'for' expressions in parenthesis");
1206 /* parse into the expression */
1207 if (!parser_next(parser)) {
1208 parseerror(parser, "expected 'for' initializer after opening paren");
1212 if (parser->tok == TOKEN_TYPENAME) {
1213 if (opts_standard != COMPILER_GMQCC) {
1214 if (parsewarning(parser, WARN_EXTENSIONS,
1215 "current standard does not allow variable declarations in for-loop initializers"))
1219 parseerror(parser, "TODO: assignment of new variables to be non-const");
1221 if (!parser_variable(parser, block))
1224 else if (parser->tok != ';')
1226 initexpr = parser_expression_leave(parser);
1231 /* move on to condition */
1232 if (parser->tok != ';') {
1233 parseerror(parser, "expected semicolon after for-loop initializer");
1236 if (!parser_next(parser)) {
1237 parseerror(parser, "expected for-loop condition");
1241 /* parse the condition */
1242 if (parser->tok != ';') {
1243 cond = parser_expression_leave(parser);
1248 /* move on to incrementor */
1249 if (parser->tok != ';') {
1250 parseerror(parser, "expected semicolon after for-loop initializer");
1253 if (!parser_next(parser)) {
1254 parseerror(parser, "expected for-loop condition");
1258 /* parse the incrementor */
1259 if (parser->tok != ')') {
1260 increment = parser_expression_leave(parser);
1266 if (parser->tok != ')') {
1267 parseerror(parser, "expected closing paren after 'for-loop' incrementor");
1270 /* parse into the 'then' branch */
1271 if (!parser_next(parser)) {
1272 parseerror(parser, "expected for-loop body");
1275 ontrue = parser_parse_statement_or_block(parser);
1280 aloop = ast_loop_new(ctx, initexpr, cond, NULL, increment, ontrue);
1281 *out = (ast_expression*)aloop;
1283 while (parser->locals_count > parser->blocklocal)
1284 parser_pop_local(parser);
1285 parser->blocklocal = oldblocklocal;
1288 if (initexpr) ast_delete(initexpr);
1289 if (cond) ast_delete(cond);
1290 if (increment) ast_delete(increment);
1291 while (parser->locals_count > parser->blocklocal)
1292 parser_pop_local(parser);
1293 parser->blocklocal = oldblocklocal;
1297 static bool parser_parse_statement(parser_t *parser, ast_block *block, ast_expression **out)
1299 if (parser->tok == TOKEN_TYPENAME)
1301 /* local variable */
1303 parseerror(parser, "cannot declare a variable from here");
1306 if (opts_standard == COMPILER_QCC) {
1307 if (parsewarning(parser, WARN_EXTENSIONS, "missing 'local' keyword when declaring a local variable"))
1310 if (!parser_variable(parser, block))
1315 else if (parser->tok == TOKEN_KEYWORD)
1317 if (!strcmp(parser_tokval(parser), "local"))
1320 parseerror(parser, "cannot declare a local variable here");
1323 if (!parser_next(parser)) {
1324 parseerror(parser, "expected variable declaration");
1327 if (!parser_variable(parser, block))
1332 else if (!strcmp(parser_tokval(parser), "return"))
1334 ast_expression *exp = NULL;
1335 ast_return *ret = NULL;
1336 ast_value *expected = parser->function->vtype;
1338 if (!parser_next(parser)) {
1339 parseerror(parser, "expected return expression");
1343 if (parser->tok != ';') {
1344 exp = parser_expression(parser);
1348 if (exp->expression.vtype != expected->expression.next->expression.vtype) {
1349 parseerror(parser, "return with invalid expression");
1352 ret = ast_return_new(exp->expression.node.context, exp);
1358 *out = (ast_expression*)ret;
1359 } else if (!parser_next(parser)) {
1360 parseerror(parser, "expected semicolon");
1361 if (expected->expression.next->expression.vtype != TYPE_VOID) {
1362 parseerror(parser, "return without value");
1367 else if (!strcmp(parser_tokval(parser), "if"))
1369 return parser_parse_if(parser, block, out);
1371 else if (!strcmp(parser_tokval(parser), "while"))
1373 return parser_parse_while(parser, block, out);
1375 else if (!strcmp(parser_tokval(parser), "do"))
1377 return parser_parse_dowhile(parser, block, out);
1379 else if (!strcmp(parser_tokval(parser), "for"))
1381 if (opts_standard == COMPILER_QCC) {
1382 if (parsewarning(parser, WARN_EXTENSIONS, "for loops are not recognized in the original Quake C standard, to enable try an alternate standard --std=?"))
1385 return parser_parse_for(parser, block, out);
1387 parseerror(parser, "Unexpected keyword");
1390 else if (parser->tok == '{')
1393 inner = parser_parse_block(parser);
1396 *out = (ast_expression*)inner;
1401 ast_expression *exp = parser_expression(parser);
1409 static void parser_pop_local(parser_t *parser)
1411 parser->locals_count--;
1412 mem_d(parser->locals[parser->locals_count].name);
1415 static ast_block* parser_parse_block(parser_t *parser)
1417 size_t oldblocklocal;
1418 ast_block *block = NULL;
1420 oldblocklocal = parser->blocklocal;
1421 parser->blocklocal = parser->locals_count;
1423 if (!parser_next(parser)) { /* skip the '{' */
1424 parseerror(parser, "expected function body");
1428 block = ast_block_new(parser_ctx(parser));
1430 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
1432 ast_expression *expr;
1433 if (parser->tok == '}')
1436 if (!parser_parse_statement(parser, block, &expr)) {
1437 ast_block_delete(block);
1443 if (!ast_block_exprs_add(block, expr)) {
1445 ast_block_delete(block);
1451 if (parser->tok != '}') {
1452 ast_block_delete(block);
1455 (void)parser_next(parser);
1459 while (parser->locals_count > parser->blocklocal)
1460 parser_pop_local(parser);
1461 parser->blocklocal = oldblocklocal;
1462 /* unroll the local vector */
1466 static ast_expression* parser_parse_statement_or_block(parser_t *parser)
1468 ast_expression *expr;
1469 if (parser->tok == '{')
1470 return (ast_expression*)parser_parse_block(parser);
1471 if (!parser_parse_statement(parser, NULL, &expr))
1476 static bool parser_variable(parser_t *parser, ast_block *localblock)
1478 bool isfunc = false;
1479 ast_function *func = NULL;
1483 ast_expression *olddecl;
1485 int basetype = parser_token(parser)->constval.t;
1489 if (!parser_next(parser)) { /* skip basetype or comma */
1490 parseerror(parser, "expected variable declaration");
1497 ctx = parser_ctx(parser);
1498 var = parser_parse_type(parser, basetype, &isfunc);
1503 if (parser->tok != TOKEN_IDENT) {
1504 parseerror(parser, "expected variable name\n");
1509 if (!localblock && (olddecl = parser_find_global(parser, parser_tokval(parser)))) {
1510 ast_value_delete(var);
1511 parseerror(parser, "global %s already declared here: %s:%i\n",
1512 parser_tokval(parser), ast_ctx(olddecl).file, (int)ast_ctx(olddecl).line);
1516 if (localblock && parser_find_local(parser, parser_tokval(parser), parser->blocklocal)) {
1517 ast_value_delete(var);
1518 parseerror(parser, "local %s already declared here: %s:%i\n",
1519 parser_tokval(parser), ast_ctx(olddecl).file, (int)ast_ctx(olddecl).line);
1524 if (!ast_value_set_name(var, parser_tokval(parser))) {
1525 parseerror(parser, "failed to set variable name\n");
1526 ast_value_delete(var);
1531 /* a function was defined */
1533 ast_value *proto = NULL;
1536 olddecl = parser_find_global(parser, parser_tokval(parser));
1538 olddecl = parser_find_local(parser, parser_tokval(parser), parser->blocklocal);
1541 /* we had a prototype */
1542 if (!ast_istype(olddecl, ast_value)) {
1543 /* theoretically not possible you think?
1549 parseerror(parser, "cannot declare a function with the same name as a vector's member: %s",
1550 parser_tokval(parser));
1551 ast_value_delete(var);
1555 proto = (ast_value*)olddecl;
1558 /* turn var into a value of TYPE_FUNCTION, with the old var
1561 fval = ast_value_new(ctx, var->name, TYPE_FUNCTION);
1562 func = ast_function_new(ctx, var->name, fval);
1563 if (!fval || !func) {
1564 ast_value_delete(var);
1565 if (fval) ast_value_delete(fval);
1566 if (func) ast_function_delete(func);
1570 fval->expression.next = (ast_expression*)var;
1571 MEM_VECTOR_MOVE(&var->expression, params, &fval->expression, params);
1573 /* we compare the type late here, but it's easier than
1574 * messing with the parameter-vector etc. earlier
1577 if (!ast_compare_type((ast_expression*)proto, (ast_expression*)fval)) {
1578 parseerror(parser, "prototype declared at %s:%i had a different type",
1579 ast_ctx(proto).file, ast_ctx(proto).line);
1580 ast_function_delete(func);
1581 ast_value_delete(fval);
1584 ast_function_delete(func);
1585 ast_value_delete(fval);
1587 func = var->constval.vfunc;
1591 if (!parser_t_functions_add(parser, func)) {
1592 ast_function_delete(func);
1593 ast_value_delete(fval);
1601 varent.name = util_strdup(var->name);
1602 varent.var = (ast_expression*)var;
1603 if (var->expression.vtype == TYPE_VECTOR)
1605 size_t len = strlen(varent.name);
1606 varentry_t vx, vy, vz;
1607 vx.var = (ast_expression*)ast_member_new(var->expression.node.context, (ast_expression*)var, 0);
1608 vy.var = (ast_expression*)ast_member_new(var->expression.node.context, (ast_expression*)var, 1);
1609 vz.var = (ast_expression*)ast_member_new(var->expression.node.context, (ast_expression*)var, 2);
1610 vx.name = mem_a(len+3);
1611 vy.name = mem_a(len+3);
1612 vz.name = mem_a(len+3);
1613 strcpy(vx.name, varent.name);
1614 strcpy(vy.name, varent.name);
1615 strcpy(vz.name, varent.name);
1616 vx.name[len] = vy.name[len] = vz.name[len] = '_';
1617 vx.name[len+1] = 'x';
1618 vy.name[len+1] = 'y';
1619 vz.name[len+1] = 'z';
1620 vx.name[len+2] = vy.name[len+2] = vz.name[len+2] = 0;
1623 (void)!parser_t_globals_add(parser, varent);
1624 (void)!parser_t_globals_add(parser, vx);
1625 (void)!parser_t_globals_add(parser, vy);
1626 (void)!parser_t_globals_add(parser, vz);
1628 (void)!parser_t_locals_add(parser, varent);
1629 (void)!parser_t_locals_add(parser, vx);
1630 (void)!parser_t_locals_add(parser, vy);
1631 (void)!parser_t_locals_add(parser, vz);
1636 if ( (!localblock && !parser_t_globals_add(parser, varent)) ||
1637 ( localblock && !parser_t_locals_add(parser, varent)) )
1639 ast_value_delete(var);
1643 if (localblock && !ast_block_locals_add(localblock, var))
1645 parser_pop_local(parser);
1646 ast_value_delete(var);
1650 if (!parser_next(parser)) {
1651 ast_value_delete(var);
1655 if (parser->tok == ';') {
1656 if (!parser_next(parser))
1657 return parser->tok == TOKEN_EOF;
1661 if (parser->tok == ',') {
1666 if (parser->tok != '=') {
1667 parseerror(parser, "expected '=' or ';'");
1671 if (!parser_next(parser))
1674 if (parser->tok == '#') {
1676 parseerror(parser, "cannot declare builtins within functions");
1679 if (!isfunc || !func) {
1680 parseerror(parser, "unexpected builtin number, '%s' is not a function", var->name);
1683 if (!parser_next(parser)) {
1684 parseerror(parser, "expected builtin number");
1687 if (parser->tok != TOKEN_INTCONST) {
1688 parseerror(parser, "builtin number must be an integer constant");
1691 if (parser_token(parser)->constval.i <= 0) {
1692 parseerror(parser, "builtin number must be positive integer greater than zero");
1696 func->builtin = -parser_token(parser)->constval.i;
1697 } else if (parser->tok == '{') {
1700 ast_function *old = parser->function;
1703 parseerror(parser, "cannot declare functions within functions");
1707 parser->function = func;
1708 block = parser_parse_block(parser);
1709 parser->function = old;
1714 if (!ast_function_blocks_add(func, block)) {
1715 ast_block_delete(block);
1719 if (parser->tok == ';')
1720 return parser_next(parser) || parser->tok == TOKEN_EOF;
1721 else if (opts_standard == COMPILER_QCC)
1722 parseerror(parser, "missing semicolon after function body (mandatory with -std=qcc)");
1725 parseerror(parser, "TODO, const assignment");
1728 if (!parser_next(parser))
1731 if (parser->tok == ',') {
1736 if (parser->tok != ';') {
1737 parseerror(parser, "expected semicolon");
1741 (void)parser_next(parser);
1747 static bool parser_do(parser_t *parser)
1749 if (parser->tok == TOKEN_TYPENAME)
1751 return parser_variable(parser, NULL);
1753 else if (parser->tok == TOKEN_KEYWORD)
1755 /* handle 'var' and 'const' */
1758 else if (parser->tok == '.')
1762 bool isfunc = false;
1764 lex_ctx ctx = parser_ctx(parser);
1767 /* entity-member declaration */
1768 if (!parser_next(parser) || parser->tok != TOKEN_TYPENAME) {
1769 parseerror(parser, "expected member variable definition");
1773 /* remember the base/return type */
1774 basetype = parser_token(parser)->constval.t;
1776 /* parse into the declaration */
1777 if (!parser_next(parser)) {
1778 parseerror(parser, "expected field def");
1782 /* parse the field type fully */
1783 var = parser_parse_type(parser, basetype, &isfunc);
1787 /* now the field name */
1788 if (parser->tok != TOKEN_IDENT) {
1789 parseerror(parser, "expected field name");
1794 /* check for an existing field
1795 * in original qc we also have to check for an existing
1796 * global named like the field
1798 if (opts_standard == COMPILER_QCC) {
1799 if (parser_find_global(parser, parser_tokval(parser))) {
1800 parseerror(parser, "cannot declare a field and a global of the same name with -std=qcc");
1805 if (parser_find_field(parser, parser_tokval(parser))) {
1806 parseerror(parser, "field %s already exists", parser_tokval(parser));
1811 /* if it was a function, turn it into a function */
1814 /* turn var into a value of TYPE_FUNCTION, with the old var
1817 fval = ast_value_new(ctx, var->name, TYPE_FUNCTION);
1819 ast_value_delete(var);
1820 ast_value_delete(fval);
1824 fval->expression.next = (ast_expression*)var;
1825 MEM_VECTOR_MOVE(&var->expression, params, &fval->expression, params);
1830 /* turn it into a field */
1831 fld = ast_value_new(ctx, parser_tokval(parser), TYPE_FIELD);
1832 fld->expression.next = (ast_expression*)var;
1834 varent.var = (ast_expression*)fld;
1835 if (var->expression.vtype == TYPE_VECTOR)
1837 /* create _x, _y and _z fields as well */
1838 parseerror(parser, "TODO: vector field members (_x,_y,_z)");
1843 varent.name = util_strdup(fld->name);
1844 (void)!parser_t_fields_add(parser, varent);
1846 /* end with a semicolon */
1847 if (!parser_next(parser) || parser->tok != ';') {
1848 parseerror(parser, "semicolon expected");
1852 /* skip the semicolon */
1853 if (!parser_next(parser))
1854 return parser->tok == TOKEN_EOF;
1860 parseerror(parser, "unexpected token: %s", parser->lex->tok->value);
1866 static parser_t *parser;
1870 parser = (parser_t*)mem_a(sizeof(parser_t));
1874 memset(parser, 0, sizeof(parser));
1876 MEM_VECTOR_INIT(parser, globals);
1877 MEM_VECTOR_INIT(parser, locals);
1881 bool parser_compile(const char *filename)
1883 parser->lex = lex_open(filename);
1885 printf("failed to open file \"%s\"\n", filename);
1889 /* initial lexer/parser state */
1890 parser->lex->flags.noops = true;
1892 if (parser_next(parser))
1894 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
1896 if (!parser_do(parser)) {
1897 if (parser->tok == TOKEN_EOF)
1898 parseerror(parser, "unexpected eof");
1899 else if (!parser->errors)
1900 parseerror(parser, "parse error\n");
1901 lex_close(parser->lex);
1908 lex_close(parser->lex);
1910 return !parser->errors;
1913 void parser_cleanup()
1916 for (i = 0; i < parser->functions_count; ++i) {
1917 ast_delete(parser->functions[i]);
1919 for (i = 0; i < parser->imm_vector_count; ++i) {
1920 ast_delete(parser->imm_vector[i]);
1922 for (i = 0; i < parser->imm_string_count; ++i) {
1923 ast_delete(parser->imm_string[i]);
1925 for (i = 0; i < parser->imm_float_count; ++i) {
1926 ast_delete(parser->imm_float[i]);
1928 for (i = 0; i < parser->globals_count; ++i) {
1929 ast_delete(parser->globals[i].var);
1930 mem_d(parser->globals[i].name);
1932 MEM_VECTOR_CLEAR(parser, globals);
1937 bool parser_finish(const char *output)
1942 if (!parser->errors)
1944 ir = ir_builder_new("gmqcc_out");
1946 printf("failed to allocate builder\n");
1950 for (i = 0; i < parser->imm_float_count; ++i) {
1951 if (!ast_global_codegen(parser->imm_float[i], ir)) {
1952 printf("failed to generate global %s\n", parser->imm_float[i]->name);
1953 ir_builder_delete(ir);
1957 for (i = 0; i < parser->imm_string_count; ++i) {
1958 if (!ast_global_codegen(parser->imm_string[i], ir)) {
1959 printf("failed to generate global %s\n", parser->imm_string[i]->name);
1960 ir_builder_delete(ir);
1964 for (i = 0; i < parser->imm_vector_count; ++i) {
1965 if (!ast_global_codegen(parser->imm_vector[i], ir)) {
1966 printf("failed to generate global %s\n", parser->imm_vector[i]->name);
1967 ir_builder_delete(ir);
1971 for (i = 0; i < parser->fields_count; ++i) {
1974 if (!ast_istype(parser->fields[i].var, ast_value))
1976 field = (ast_value*)parser->fields[i].var;
1977 isconst = field->isconst;
1978 field->isconst = false;
1979 if (!ast_global_codegen((ast_value*)field, ir)) {
1980 printf("failed to generate field %s\n", field->name);
1981 ir_builder_delete(ir);
1986 ast_expression *subtype;
1987 field->isconst = true;
1988 subtype = field->expression.next;
1989 ifld = ir_builder_create_field(ir, field->name, subtype->expression.vtype);
1990 if (subtype->expression.vtype == TYPE_FIELD)
1991 ifld->fieldtype = subtype->expression.next->expression.vtype;
1992 else if (subtype->expression.vtype == TYPE_FUNCTION)
1993 ifld->outtype = subtype->expression.next->expression.vtype;
1994 (void)!ir_value_set_field(field->ir_v, ifld);
1997 for (i = 0; i < parser->globals_count; ++i) {
1998 if (!ast_istype(parser->globals[i].var, ast_value))
2000 if (!ast_global_codegen((ast_value*)(parser->globals[i].var), ir)) {
2001 printf("failed to generate global %s\n", parser->globals[i].name);
2002 ir_builder_delete(ir);
2006 for (i = 0; i < parser->functions_count; ++i) {
2007 if (!ast_function_codegen(parser->functions[i], ir)) {
2008 printf("failed to generate function %s\n", parser->functions[i]->name);
2009 ir_builder_delete(ir);
2012 if (!ir_function_finalize(parser->functions[i]->ir_func)) {
2013 printf("failed to finalize function %s\n", parser->functions[i]->name);
2014 ir_builder_delete(ir);
2020 ir_builder_dump(ir, printf);
2022 if (!ir_builder_generate(ir, output)) {
2023 printf("*** failed to generate output file\n");
2024 ir_builder_delete(ir);
2028 ir_builder_delete(ir);
2032 printf("*** there were compile errors\n");