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, "invalid types used in expression: 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, "invalid types used in expression: cannot add type %s and %s",
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, "invalid types used in expression: cannot add type %s and %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, "invalid types used in expression: 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, "invalid types used in expression: cannot subtract type %s from %s",
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, "invalid types used in expression: 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, "invalid types used in expression: cannot multiply types %s and %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, "invalid types used in expression: cannot multiply types %s and %s",
514 type_name[exprs[1]->expression.vtype],
515 type_name[exprs[0]->expression.vtype]);
520 if (NotSameType(TYPE_FLOAT)) {
521 parseerror(parser, "invalid types used in expression: 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, "invalid types used in expression: cannot perform bit operations between 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, "invalid types used in expression: cannot perform logical operations between 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, "invalid types used in expression: cannot perform comparison between 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, "invalid types used in expression: cannot perform comparison between 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, "invalid types used in expression: cannot perform comparison between 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]);
616 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
617 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
619 parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
620 type_name[exprs[0]->expression.vtype],
621 type_name[exprs[1]->expression.vtype]);
624 if (ast_istype(exprs[0], ast_entfield))
625 assignop = type_storep_instr[exprs[0]->expression.vtype];
627 assignop = type_store_instr[exprs[0]->expression.vtype];
628 switch (exprs[0]->expression.vtype) {
630 out = (ast_expression*)ast_binstore_new(ctx, assignop,
631 (op->id == opid2('+','=') ? INSTR_ADD_F : INSTR_SUB_F),
635 out = (ast_expression*)ast_binstore_new(ctx, assignop,
636 (op->id == opid2('+','=') ? INSTR_ADD_V : INSTR_SUB_V),
640 parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
641 type_name[exprs[0]->expression.vtype],
642 type_name[exprs[1]->expression.vtype]);
650 parseerror(parser, "failed to apply operand %s", op->op);
654 DEBUGSHUNTDO(printf("applied %s\n", op->op));
655 sy->out[sy->out_count++] = syexp(ctx, out);
659 static bool parser_close_call(parser_t *parser, shunt *sy)
661 /* was a function call */
669 fid = sy->ops[sy->ops_count].off;
671 /* out[fid] is the function
672 * everything above is parameters...
674 * 1 params = ast_expression
678 if (sy->out_count < 1 || sy->out_count <= fid) {
679 parseerror(parser, "internal error: function call needs function and parameter list...");
683 fun = sy->out[fid].out;
685 call = ast_call_new(sy->ops[sy->ops_count].ctx, fun);
687 parseerror(parser, "out of memory");
691 if (fid+1 == sy->out_count) {
694 } else if (fid+2 == sy->out_count) {
697 params = sy->out[sy->out_count].block;
701 if (!ast_call_params_add(call, sy->out[sy->out_count].out)) {
702 ast_delete(sy->out[sy->out_count].out);
703 parseerror(parser, "out of memory");
707 paramcount = params->exprs_count;
708 MEM_VECTOR_MOVE(params, exprs, call, params);
712 parseerror(parser, "invalid function call");
716 /* overwrite fid, the function, with a call */
717 sy->out[fid] = syexp(call->expression.node.context, (ast_expression*)call);
719 if (fun->expression.vtype != TYPE_FUNCTION) {
720 parseerror(parser, "not a function");
724 if (!fun->expression.next) {
725 parseerror(parser, "could not determine function return type");
728 if (fun->expression.params_count != paramcount) {
729 parseerror(parser, "expected %i parameters, got %i", (int)fun->expression.params_count, paramcount);
737 static bool parser_close_paren(parser_t *parser, shunt *sy, bool functions_only)
739 if (!sy->ops_count) {
740 parseerror(parser, "unmatched closing paren");
743 if (sy->ops[sy->ops_count-1].paren == 1) {
744 parseerror(parser, "empty parenthesis expression");
747 while (sy->ops_count) {
748 if (sy->ops[sy->ops_count-1].paren == 'f') {
749 if (!parser_close_call(parser, sy))
753 if (sy->ops[sy->ops_count-1].paren == 1) {
755 return !functions_only;
757 if (!parser_sy_pop(parser, sy))
763 static ast_expression* parser_expression_leave(parser_t *parser)
765 ast_expression *expr = NULL;
768 bool gotmemberof = false;
770 /* count the parens because an if starts with one, so the
771 * end of a condition is an unmatched closing paren
775 MEM_VECTOR_INIT(&sy, out);
776 MEM_VECTOR_INIT(&sy, ops);
783 parser->memberof = 0;
786 bool nextwant = true;
787 if (parser->tok == TOKEN_IDENT)
791 if (opts_standard == COMPILER_GMQCC)
793 if (parser->memberof == TYPE_ENTITY)
794 var = parser_find_field(parser, parser_tokval(parser));
795 else if (parser->memberof == TYPE_VECTOR)
797 parseerror(parser, "TODO: implement effective vector member access");
800 else if (parser->memberof) {
801 parseerror(parser, "namespace for member not found");
805 var = parser_find_var(parser, parser_tokval(parser));
807 var = parser_find_var(parser, parser_tokval(parser));
809 var = parser_find_field(parser, parser_tokval(parser));
812 parseerror(parser, "unexpected ident: %s", parser_tokval(parser));
815 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), var))) {
816 parseerror(parser, "out of memory");
819 DEBUGSHUNTDO(printf("push %s\n", parser_tokval(parser)));
821 else if (parser->tok == TOKEN_FLOATCONST) {
822 ast_value *val = parser_const_float(parser, (parser_token(parser)->constval.f));
825 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
826 parseerror(parser, "out of memory");
829 DEBUGSHUNTDO(printf("push %g\n", parser_token(parser)->constval.f));
831 else if (parser->tok == TOKEN_INTCONST) {
832 ast_value *val = parser_const_float(parser, (double)(parser_token(parser)->constval.i));
835 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
836 parseerror(parser, "out of memory");
839 DEBUGSHUNTDO(printf("push %i\n", parser_token(parser)->constval.i));
841 else if (parser->tok == TOKEN_STRINGCONST) {
842 ast_value *val = parser_const_string(parser, parser_tokval(parser));
845 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
846 parseerror(parser, "out of memory");
849 DEBUGSHUNTDO(printf("push string\n"));
851 else if (parser->tok == TOKEN_VECTORCONST) {
852 ast_value *val = parser_const_vector(parser, parser_token(parser)->constval.v);
855 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
856 parseerror(parser, "out of memory");
859 DEBUGSHUNTDO(printf("push '%g %g %g'\n",
860 parser_token(parser)->constval.v.x,
861 parser_token(parser)->constval.v.y,
862 parser_token(parser)->constval.v.z));
864 else if (parser->tok == '(') {
866 nextwant = false; /* not expecting an operator next */
867 if (!shunt_ops_add(&sy, syparen(parser_ctx(parser), 1, 0))) {
868 parseerror(parser, "out of memory");
871 DEBUGSHUNTDO(printf("push (\n"));
873 else if (parser->tok == ')') {
874 DEBUGSHUNTDO(printf("do[nop] )\n"));
878 /* allowed for function calls */
879 if (!parser_close_paren(parser, &sy, true))
883 /* TODO: prefix operators */
884 parseerror(parser, "expected statement");
888 parser->lex->flags.noops = !wantop;
890 bool nextwant = false;
891 if (parser->tok == '(') {
892 DEBUGSHUNTDO(printf("push (\n"));
894 /* we expected an operator, this is the function-call operator */
895 if (!shunt_ops_add(&sy, syparen(parser_ctx(parser), 'f', sy.out_count-1))) {
896 parseerror(parser, "out of memory");
900 else if (parser->tok == ')') {
901 DEBUGSHUNTDO(printf("do[op] )\n"));
905 /* we do expect an operator next */
906 /* closing an opening paren */
907 if (!parser_close_paren(parser, &sy, false))
911 else if (parser->tok != TOKEN_OPERATOR) {
912 parseerror(parser, "expected operator or end of statement");
916 /* classify the operator */
917 /* TODO: suffix operators */
919 const oper_info *olast = NULL;
921 for (o = 0; o < operator_count; ++o) {
922 if (!(operators[o].flags & OP_PREFIX) &&
923 !(operators[o].flags & OP_SUFFIX) && /* remove this */
924 !strcmp(parser_tokval(parser), operators[o].op))
929 if (o == operator_count) {
930 /* no operator found... must be the end of the statement */
933 /* found an operator */
935 if (op->id == opid1('.')) {
936 /* for gmqcc standard: open up the namespace of the previous type */
937 ast_expression *prevex = sy.out[sy.out_count-1].out;
939 parseerror(parser, "unexpected member operator");
942 if (prevex->expression.vtype == TYPE_ENTITY)
943 parser->memberof = TYPE_ENTITY;
944 else if (prevex->expression.vtype == TYPE_VECTOR)
945 parser->memberof = TYPE_VECTOR;
947 parseerror(parser, "type error: type has no members");
953 if (sy.ops_count && !sy.ops[sy.ops_count-1].paren)
954 olast = &operators[sy.ops[sy.ops_count-1].etype-1];
957 (op->prec < olast->prec) ||
958 (op->assoc == ASSOC_LEFT && op->prec <= olast->prec) ) )
960 if (!parser_sy_pop(parser, &sy))
962 if (sy.ops_count && !sy.ops[sy.ops_count-1].paren)
963 olast = &operators[sy.ops[sy.ops_count-1].etype-1];
968 DEBUGSHUNTDO(printf("push operator %s\n", op->op));
969 if (!shunt_ops_add(&sy, syop(parser_ctx(parser), op)))
973 parser->lex->flags.noops = !wantop;
975 if (!parser_next(parser)) {
978 if (parser->tok == ';') {
983 while (sy.ops_count) {
984 if (!parser_sy_pop(parser, &sy))
988 parser->lex->flags.noops = true;
990 parseerror(parser, "empty expression");
993 expr = sy.out[0].out;
994 MEM_VECTOR_CLEAR(&sy, out);
995 MEM_VECTOR_CLEAR(&sy, ops);
996 DEBUGSHUNTDO(printf("shut done\n"));
1000 parser->lex->flags.noops = true;
1001 MEM_VECTOR_CLEAR(&sy, out);
1002 MEM_VECTOR_CLEAR(&sy, ops);
1006 static ast_expression* parser_expression(parser_t *parser)
1008 ast_expression *e = parser_expression_leave(parser);
1011 if (!parser_next(parser)) {
1018 static bool parser_parse_if(parser_t *parser, ast_block *block, ast_expression **out)
1021 ast_expression *cond, *ontrue, *onfalse = NULL;
1023 lex_ctx ctx = parser_ctx(parser);
1025 /* skip the 'if' and check for opening paren */
1026 if (!parser_next(parser) || parser->tok != '(') {
1027 parseerror(parser, "expected 'if' condition in parenthesis");
1030 /* parse into the expression */
1031 if (!parser_next(parser)) {
1032 parseerror(parser, "expected 'if' condition after opening paren");
1035 /* parse the condition */
1036 cond = parser_expression_leave(parser);
1040 if (parser->tok != ')') {
1041 parseerror(parser, "expected closing paren after 'if' condition");
1045 /* parse into the 'then' branch */
1046 if (!parser_next(parser)) {
1047 parseerror(parser, "expected statement for on-true branch of 'if'");
1051 ontrue = parser_parse_statement_or_block(parser);
1056 /* check for an else */
1057 if (!strcmp(parser_tokval(parser), "else")) {
1058 /* parse into the 'else' branch */
1059 if (!parser_next(parser)) {
1060 parseerror(parser, "expected on-false branch after 'else'");
1065 onfalse = parser_parse_statement_or_block(parser);
1073 ifthen = ast_ifthen_new(ctx, cond, ontrue, onfalse);
1074 *out = (ast_expression*)ifthen;
1078 static bool parser_parse_while(parser_t *parser, ast_block *block, ast_expression **out)
1081 ast_expression *cond, *ontrue;
1083 lex_ctx ctx = parser_ctx(parser);
1085 /* skip the 'while' and check for opening paren */
1086 if (!parser_next(parser) || parser->tok != '(') {
1087 parseerror(parser, "expected 'while' condition in parenthesis");
1090 /* parse into the expression */
1091 if (!parser_next(parser)) {
1092 parseerror(parser, "expected 'while' condition after opening paren");
1095 /* parse the condition */
1096 cond = parser_expression_leave(parser);
1100 if (parser->tok != ')') {
1101 parseerror(parser, "expected closing paren after 'while' condition");
1105 /* parse into the 'then' branch */
1106 if (!parser_next(parser)) {
1107 parseerror(parser, "expected while-loop body");
1111 ontrue = parser_parse_statement_or_block(parser);
1117 aloop = ast_loop_new(ctx, NULL, cond, NULL, NULL, ontrue);
1118 *out = (ast_expression*)aloop;
1122 static bool parser_parse_dowhile(parser_t *parser, ast_block *block, ast_expression **out)
1125 ast_expression *cond, *ontrue;
1127 lex_ctx ctx = parser_ctx(parser);
1129 /* skip the 'do' and get the body */
1130 if (!parser_next(parser)) {
1131 parseerror(parser, "expected loop body");
1134 ontrue = parser_parse_statement_or_block(parser);
1138 /* expect the "while" */
1139 if (parser->tok != TOKEN_KEYWORD ||
1140 strcmp(parser_tokval(parser), "while"))
1142 parseerror(parser, "expected 'while' and condition");
1147 /* skip the 'while' and check for opening paren */
1148 if (!parser_next(parser) || parser->tok != '(') {
1149 parseerror(parser, "expected 'while' condition in parenthesis");
1153 /* parse into the expression */
1154 if (!parser_next(parser)) {
1155 parseerror(parser, "expected 'while' condition after opening paren");
1159 /* parse the condition */
1160 cond = parser_expression_leave(parser);
1164 if (parser->tok != ')') {
1165 parseerror(parser, "expected closing paren after 'while' condition");
1171 if (!parser_next(parser) || parser->tok != ';') {
1172 parseerror(parser, "expected semicolon after condition");
1178 if (!parser_next(parser)) {
1179 parseerror(parser, "parse error");
1185 aloop = ast_loop_new(ctx, NULL, NULL, cond, NULL, ontrue);
1186 *out = (ast_expression*)aloop;
1190 static bool parser_parse_for(parser_t *parser, ast_block *block, ast_expression **out)
1193 ast_expression *initexpr, *cond, *increment, *ontrue;
1194 size_t oldblocklocal;
1196 lex_ctx ctx = parser_ctx(parser);
1198 oldblocklocal = parser->blocklocal;
1199 parser->blocklocal = parser->locals_count;
1206 /* skip the 'while' and check for opening paren */
1207 if (!parser_next(parser) || parser->tok != '(') {
1208 parseerror(parser, "expected 'for' expressions in parenthesis");
1211 /* parse into the expression */
1212 if (!parser_next(parser)) {
1213 parseerror(parser, "expected 'for' initializer after opening paren");
1217 if (parser->tok == TOKEN_TYPENAME) {
1218 if (opts_standard != COMPILER_GMQCC) {
1219 if (parsewarning(parser, WARN_EXTENSIONS,
1220 "current standard does not allow variable declarations in for-loop initializers"))
1224 parseerror(parser, "TODO: assignment of new variables to be non-const");
1226 if (!parser_variable(parser, block))
1229 else if (parser->tok != ';')
1231 initexpr = parser_expression_leave(parser);
1236 /* move on to condition */
1237 if (parser->tok != ';') {
1238 parseerror(parser, "expected semicolon after for-loop initializer");
1241 if (!parser_next(parser)) {
1242 parseerror(parser, "expected for-loop condition");
1246 /* parse the condition */
1247 if (parser->tok != ';') {
1248 cond = parser_expression_leave(parser);
1253 /* move on to incrementor */
1254 if (parser->tok != ';') {
1255 parseerror(parser, "expected semicolon after for-loop initializer");
1258 if (!parser_next(parser)) {
1259 parseerror(parser, "expected for-loop condition");
1263 /* parse the incrementor */
1264 if (parser->tok != ')') {
1265 increment = parser_expression_leave(parser);
1271 if (parser->tok != ')') {
1272 parseerror(parser, "expected closing paren after 'for-loop' incrementor");
1275 /* parse into the 'then' branch */
1276 if (!parser_next(parser)) {
1277 parseerror(parser, "expected for-loop body");
1280 ontrue = parser_parse_statement_or_block(parser);
1285 aloop = ast_loop_new(ctx, initexpr, cond, NULL, increment, ontrue);
1286 *out = (ast_expression*)aloop;
1288 while (parser->locals_count > parser->blocklocal)
1289 parser_pop_local(parser);
1290 parser->blocklocal = oldblocklocal;
1293 if (initexpr) ast_delete(initexpr);
1294 if (cond) ast_delete(cond);
1295 if (increment) ast_delete(increment);
1296 while (parser->locals_count > parser->blocklocal)
1297 parser_pop_local(parser);
1298 parser->blocklocal = oldblocklocal;
1302 static bool parser_parse_statement(parser_t *parser, ast_block *block, ast_expression **out)
1304 if (parser->tok == TOKEN_TYPENAME)
1306 /* local variable */
1308 parseerror(parser, "cannot declare a variable from here");
1311 if (opts_standard == COMPILER_QCC) {
1312 if (parsewarning(parser, WARN_EXTENSIONS, "missing 'local' keyword when declaring a local variable"))
1315 if (!parser_variable(parser, block))
1320 else if (parser->tok == TOKEN_KEYWORD)
1322 if (!strcmp(parser_tokval(parser), "local"))
1325 parseerror(parser, "cannot declare a local variable here");
1328 if (!parser_next(parser)) {
1329 parseerror(parser, "expected variable declaration");
1332 if (!parser_variable(parser, block))
1337 else if (!strcmp(parser_tokval(parser), "return"))
1339 ast_expression *exp = NULL;
1340 ast_return *ret = NULL;
1341 ast_value *expected = parser->function->vtype;
1343 if (!parser_next(parser)) {
1344 parseerror(parser, "expected return expression");
1348 if (parser->tok != ';') {
1349 exp = parser_expression(parser);
1353 if (exp->expression.vtype != expected->expression.next->expression.vtype) {
1354 parseerror(parser, "return with invalid expression");
1357 ret = ast_return_new(exp->expression.node.context, exp);
1363 *out = (ast_expression*)ret;
1364 } else if (!parser_next(parser)) {
1365 parseerror(parser, "expected semicolon");
1366 if (expected->expression.next->expression.vtype != TYPE_VOID) {
1367 parseerror(parser, "return without value");
1372 else if (!strcmp(parser_tokval(parser), "if"))
1374 return parser_parse_if(parser, block, out);
1376 else if (!strcmp(parser_tokval(parser), "while"))
1378 return parser_parse_while(parser, block, out);
1380 else if (!strcmp(parser_tokval(parser), "do"))
1382 return parser_parse_dowhile(parser, block, out);
1384 else if (!strcmp(parser_tokval(parser), "for"))
1386 if (opts_standard == COMPILER_QCC) {
1387 if (parsewarning(parser, WARN_EXTENSIONS, "for loops are not recognized in the original Quake C standard, to enable try an alternate standard --std=?"))
1390 return parser_parse_for(parser, block, out);
1392 parseerror(parser, "Unexpected keyword");
1395 else if (parser->tok == '{')
1398 inner = parser_parse_block(parser);
1401 *out = (ast_expression*)inner;
1406 ast_expression *exp = parser_expression(parser);
1414 static void parser_pop_local(parser_t *parser)
1416 parser->locals_count--;
1417 mem_d(parser->locals[parser->locals_count].name);
1420 static ast_block* parser_parse_block(parser_t *parser)
1422 size_t oldblocklocal;
1423 ast_block *block = NULL;
1425 oldblocklocal = parser->blocklocal;
1426 parser->blocklocal = parser->locals_count;
1428 if (!parser_next(parser)) { /* skip the '{' */
1429 parseerror(parser, "expected function body");
1433 block = ast_block_new(parser_ctx(parser));
1435 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
1437 ast_expression *expr;
1438 if (parser->tok == '}')
1441 if (!parser_parse_statement(parser, block, &expr)) {
1442 ast_block_delete(block);
1448 if (!ast_block_exprs_add(block, expr)) {
1450 ast_block_delete(block);
1456 if (parser->tok != '}') {
1457 ast_block_delete(block);
1460 (void)parser_next(parser);
1464 while (parser->locals_count > parser->blocklocal)
1465 parser_pop_local(parser);
1466 parser->blocklocal = oldblocklocal;
1467 /* unroll the local vector */
1471 static ast_expression* parser_parse_statement_or_block(parser_t *parser)
1473 ast_expression *expr;
1474 if (parser->tok == '{')
1475 return (ast_expression*)parser_parse_block(parser);
1476 if (!parser_parse_statement(parser, NULL, &expr))
1481 static bool parser_variable(parser_t *parser, ast_block *localblock)
1483 bool isfunc = false;
1484 ast_function *func = NULL;
1488 ast_expression *olddecl;
1490 int basetype = parser_token(parser)->constval.t;
1494 if (!parser_next(parser)) { /* skip basetype or comma */
1495 parseerror(parser, "expected variable declaration");
1502 ctx = parser_ctx(parser);
1503 var = parser_parse_type(parser, basetype, &isfunc);
1508 if (parser->tok != TOKEN_IDENT) {
1509 parseerror(parser, "expected variable name\n");
1514 if (!localblock && (olddecl = parser_find_global(parser, parser_tokval(parser)))) {
1515 ast_value_delete(var);
1516 parseerror(parser, "global %s already declared here: %s:%i\n",
1517 parser_tokval(parser), ast_ctx(olddecl).file, (int)ast_ctx(olddecl).line);
1521 if (localblock && parser_find_local(parser, parser_tokval(parser), parser->blocklocal)) {
1522 ast_value_delete(var);
1523 parseerror(parser, "local %s already declared here: %s:%i\n",
1524 parser_tokval(parser), ast_ctx(olddecl).file, (int)ast_ctx(olddecl).line);
1529 if (!ast_value_set_name(var, parser_tokval(parser))) {
1530 parseerror(parser, "failed to set variable name\n");
1531 ast_value_delete(var);
1536 /* a function was defined */
1538 ast_value *proto = NULL;
1541 olddecl = parser_find_global(parser, parser_tokval(parser));
1543 olddecl = parser_find_local(parser, parser_tokval(parser), parser->blocklocal);
1546 /* we had a prototype */
1547 if (!ast_istype(olddecl, ast_value)) {
1548 /* theoretically not possible you think?
1554 parseerror(parser, "cannot declare a function with the same name as a vector's member: %s",
1555 parser_tokval(parser));
1556 ast_value_delete(var);
1560 proto = (ast_value*)olddecl;
1563 /* turn var into a value of TYPE_FUNCTION, with the old var
1566 fval = ast_value_new(ctx, var->name, TYPE_FUNCTION);
1567 func = ast_function_new(ctx, var->name, fval);
1568 if (!fval || !func) {
1569 ast_value_delete(var);
1570 if (fval) ast_value_delete(fval);
1571 if (func) ast_function_delete(func);
1575 fval->expression.next = (ast_expression*)var;
1576 MEM_VECTOR_MOVE(&var->expression, params, &fval->expression, params);
1578 /* we compare the type late here, but it's easier than
1579 * messing with the parameter-vector etc. earlier
1582 if (!ast_compare_type((ast_expression*)proto, (ast_expression*)fval)) {
1583 parseerror(parser, "conflicting types for `%s`, previous declaration was here: %s:%i",
1585 ast_ctx(proto).file, ast_ctx(proto).line);
1586 ast_function_delete(func);
1587 ast_value_delete(fval);
1590 ast_function_delete(func);
1591 ast_value_delete(fval);
1593 func = var->constval.vfunc;
1597 if (!parser_t_functions_add(parser, func)) {
1598 ast_function_delete(func);
1599 ast_value_delete(fval);
1607 varent.name = util_strdup(var->name);
1608 varent.var = (ast_expression*)var;
1609 if (var->expression.vtype == TYPE_VECTOR)
1611 size_t len = strlen(varent.name);
1612 varentry_t vx, vy, vz;
1613 vx.var = (ast_expression*)ast_member_new(var->expression.node.context, (ast_expression*)var, 0);
1614 vy.var = (ast_expression*)ast_member_new(var->expression.node.context, (ast_expression*)var, 1);
1615 vz.var = (ast_expression*)ast_member_new(var->expression.node.context, (ast_expression*)var, 2);
1616 vx.name = mem_a(len+3);
1617 vy.name = mem_a(len+3);
1618 vz.name = mem_a(len+3);
1619 strcpy(vx.name, varent.name);
1620 strcpy(vy.name, varent.name);
1621 strcpy(vz.name, varent.name);
1622 vx.name[len] = vy.name[len] = vz.name[len] = '_';
1623 vx.name[len+1] = 'x';
1624 vy.name[len+1] = 'y';
1625 vz.name[len+1] = 'z';
1626 vx.name[len+2] = vy.name[len+2] = vz.name[len+2] = 0;
1629 (void)!parser_t_globals_add(parser, varent);
1630 (void)!parser_t_globals_add(parser, vx);
1631 (void)!parser_t_globals_add(parser, vy);
1632 (void)!parser_t_globals_add(parser, vz);
1634 (void)!parser_t_locals_add(parser, varent);
1635 (void)!parser_t_locals_add(parser, vx);
1636 (void)!parser_t_locals_add(parser, vy);
1637 (void)!parser_t_locals_add(parser, vz);
1642 if ( (!localblock && !parser_t_globals_add(parser, varent)) ||
1643 ( localblock && !parser_t_locals_add(parser, varent)) )
1645 ast_value_delete(var);
1649 if (localblock && !ast_block_locals_add(localblock, var))
1651 parser_pop_local(parser);
1652 ast_value_delete(var);
1656 if (!parser_next(parser)) {
1657 ast_value_delete(var);
1661 if (parser->tok == ';') {
1662 if (!parser_next(parser))
1663 return parser->tok == TOKEN_EOF;
1667 if (parser->tok == ',') {
1672 if (parser->tok != '=') {
1673 parseerror(parser, "expected '=' or ';'");
1677 if (!parser_next(parser))
1680 if (parser->tok == '#') {
1682 parseerror(parser, "cannot declare builtins within functions");
1685 if (!isfunc || !func) {
1686 parseerror(parser, "unexpected builtin number, '%s' is not a function", var->name);
1689 if (!parser_next(parser)) {
1690 parseerror(parser, "expected builtin number");
1693 if (parser->tok != TOKEN_INTCONST) {
1694 parseerror(parser, "builtin number must be an integer constant");
1697 if (parser_token(parser)->constval.i <= 0) {
1698 parseerror(parser, "builtin number must be positive integer greater than zero");
1702 func->builtin = -parser_token(parser)->constval.i;
1703 } else if (parser->tok == '{') {
1706 ast_function *old = parser->function;
1709 parseerror(parser, "cannot declare functions within functions");
1713 parser->function = func;
1714 block = parser_parse_block(parser);
1715 parser->function = old;
1720 if (!ast_function_blocks_add(func, block)) {
1721 ast_block_delete(block);
1725 if (parser->tok == ';')
1726 return parser_next(parser) || parser->tok == TOKEN_EOF;
1727 else if (opts_standard == COMPILER_QCC)
1728 parseerror(parser, "missing semicolon after function body (mandatory with -std=qcc)");
1731 parseerror(parser, "TODO, const assignment");
1734 if (!parser_next(parser))
1737 if (parser->tok == ',') {
1742 if (parser->tok != ';') {
1743 parseerror(parser, "expected semicolon");
1747 (void)parser_next(parser);
1753 static bool parser_do(parser_t *parser)
1755 if (parser->tok == TOKEN_TYPENAME)
1757 return parser_variable(parser, NULL);
1759 else if (parser->tok == TOKEN_KEYWORD)
1761 /* handle 'var' and 'const' */
1764 else if (parser->tok == '.')
1768 bool isfunc = false;
1770 lex_ctx ctx = parser_ctx(parser);
1773 /* entity-member declaration */
1774 if (!parser_next(parser) || parser->tok != TOKEN_TYPENAME) {
1775 parseerror(parser, "expected member variable definition");
1779 /* remember the base/return type */
1780 basetype = parser_token(parser)->constval.t;
1782 /* parse into the declaration */
1783 if (!parser_next(parser)) {
1784 parseerror(parser, "expected field def");
1788 /* parse the field type fully */
1789 var = parser_parse_type(parser, basetype, &isfunc);
1794 /* now the field name */
1795 if (parser->tok != TOKEN_IDENT) {
1796 parseerror(parser, "expected field name");
1801 /* check for an existing field
1802 * in original qc we also have to check for an existing
1803 * global named like the field
1805 if (opts_standard == COMPILER_QCC) {
1806 if (parser_find_global(parser, parser_tokval(parser))) {
1807 parseerror(parser, "cannot declare a field and a global of the same name with -std=qcc");
1812 if (parser_find_field(parser, parser_tokval(parser))) {
1813 parseerror(parser, "field %s already exists", parser_tokval(parser));
1818 /* if it was a function, turn it into a function */
1821 /* turn var into a value of TYPE_FUNCTION, with the old var
1824 fval = ast_value_new(ctx, var->name, TYPE_FUNCTION);
1826 ast_value_delete(var);
1827 ast_value_delete(fval);
1831 fval->expression.next = (ast_expression*)var;
1832 MEM_VECTOR_MOVE(&var->expression, params, &fval->expression, params);
1837 /* turn it into a field */
1838 fld = ast_value_new(ctx, parser_tokval(parser), TYPE_FIELD);
1839 fld->expression.next = (ast_expression*)var;
1841 varent.var = (ast_expression*)fld;
1842 varent.name = util_strdup(fld->name);
1843 (void)!parser_t_fields_add(parser, varent);
1845 if (var->expression.vtype == TYPE_VECTOR)
1847 /* create _x, _y and _z fields as well */
1849 varentry_t vx, vy, vz;
1851 len = strlen(varent.name);
1852 vx.var = (ast_expression*)ast_member_new(ast_ctx(fld), (ast_expression*)fld, 0);
1853 vy.var = (ast_expression*)ast_member_new(ast_ctx(fld), (ast_expression*)fld, 1);
1854 vz.var = (ast_expression*)ast_member_new(ast_ctx(fld), (ast_expression*)fld, 2);
1855 vx.name = mem_a(len+3);
1856 vy.name = mem_a(len+3);
1857 vz.name = mem_a(len+3);
1858 strcpy(vx.name, varent.name);
1859 strcpy(vy.name, varent.name);
1860 strcpy(vz.name, varent.name);
1861 vx.name[len] = vy.name[len] = vz.name[len] = '_';
1862 vx.name[len+1] = 'x';
1863 vy.name[len+1] = 'y';
1864 vz.name[len+1] = 'z';
1865 vx.name[len+2] = vy.name[len+2] = vz.name[len+2] = 0;
1866 (void)!parser_t_fields_add(parser, vx);
1867 (void)!parser_t_fields_add(parser, vy);
1868 (void)!parser_t_fields_add(parser, vz);
1871 if (!parser_next(parser)) {
1872 parseerror(parser, "expected semicolon or another field name");
1875 if (parser->tok == ';')
1877 if (parser->tok != ',' || !parser_next(parser)) {
1878 parseerror(parser, "expected semicolon or another field name");
1883 /* skip the semicolon */
1884 if (!parser_next(parser))
1885 return parser->tok == TOKEN_EOF;
1891 parseerror(parser, "unexpected token: %s", parser->lex->tok->value);
1897 static parser_t *parser;
1901 parser = (parser_t*)mem_a(sizeof(parser_t));
1905 memset(parser, 0, sizeof(parser));
1907 MEM_VECTOR_INIT(parser, globals);
1908 MEM_VECTOR_INIT(parser, locals);
1912 bool parser_compile(const char *filename)
1914 parser->lex = lex_open(filename);
1916 printf("failed to open file \"%s\"\n", filename);
1920 /* initial lexer/parser state */
1921 parser->lex->flags.noops = true;
1923 if (parser_next(parser))
1925 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
1927 if (!parser_do(parser)) {
1928 if (parser->tok == TOKEN_EOF)
1929 parseerror(parser, "unexpected eof");
1930 else if (!parser->errors)
1931 parseerror(parser, "parse error\n");
1932 lex_close(parser->lex);
1939 lex_close(parser->lex);
1941 return !parser->errors;
1944 void parser_cleanup()
1947 for (i = 0; i < parser->functions_count; ++i) {
1948 ast_delete(parser->functions[i]);
1950 for (i = 0; i < parser->imm_vector_count; ++i) {
1951 ast_delete(parser->imm_vector[i]);
1953 for (i = 0; i < parser->imm_string_count; ++i) {
1954 ast_delete(parser->imm_string[i]);
1956 for (i = 0; i < parser->imm_float_count; ++i) {
1957 ast_delete(parser->imm_float[i]);
1959 for (i = 0; i < parser->globals_count; ++i) {
1960 ast_delete(parser->globals[i].var);
1961 mem_d(parser->globals[i].name);
1963 MEM_VECTOR_CLEAR(parser, globals);
1968 bool parser_finish(const char *output)
1973 if (!parser->errors)
1975 ir = ir_builder_new("gmqcc_out");
1977 printf("failed to allocate builder\n");
1981 for (i = 0; i < parser->imm_float_count; ++i) {
1982 if (!ast_global_codegen(parser->imm_float[i], ir)) {
1983 printf("failed to generate global %s\n", parser->imm_float[i]->name);
1984 ir_builder_delete(ir);
1988 for (i = 0; i < parser->imm_string_count; ++i) {
1989 if (!ast_global_codegen(parser->imm_string[i], ir)) {
1990 printf("failed to generate global %s\n", parser->imm_string[i]->name);
1991 ir_builder_delete(ir);
1995 for (i = 0; i < parser->imm_vector_count; ++i) {
1996 if (!ast_global_codegen(parser->imm_vector[i], ir)) {
1997 printf("failed to generate global %s\n", parser->imm_vector[i]->name);
1998 ir_builder_delete(ir);
2002 for (i = 0; i < parser->fields_count; ++i) {
2005 if (!ast_istype(parser->fields[i].var, ast_value))
2007 field = (ast_value*)parser->fields[i].var;
2008 isconst = field->isconst;
2009 field->isconst = false;
2010 if (!ast_global_codegen((ast_value*)field, ir)) {
2011 printf("failed to generate field %s\n", field->name);
2012 ir_builder_delete(ir);
2017 ast_expression *subtype;
2018 field->isconst = true;
2019 subtype = field->expression.next;
2020 ifld = ir_builder_create_field(ir, field->name, subtype->expression.vtype);
2021 if (subtype->expression.vtype == TYPE_FIELD)
2022 ifld->fieldtype = subtype->expression.next->expression.vtype;
2023 else if (subtype->expression.vtype == TYPE_FUNCTION)
2024 ifld->outtype = subtype->expression.next->expression.vtype;
2025 (void)!ir_value_set_field(field->ir_v, ifld);
2028 for (i = 0; i < parser->globals_count; ++i) {
2029 if (!ast_istype(parser->globals[i].var, ast_value))
2031 if (!ast_global_codegen((ast_value*)(parser->globals[i].var), ir)) {
2032 printf("failed to generate global %s\n", parser->globals[i].name);
2033 ir_builder_delete(ir);
2037 for (i = 0; i < parser->functions_count; ++i) {
2038 if (!ast_function_codegen(parser->functions[i], ir)) {
2039 printf("failed to generate function %s\n", parser->functions[i]->name);
2040 ir_builder_delete(ir);
2043 if (!ir_function_finalize(parser->functions[i]->ir_func)) {
2044 printf("failed to finalize function %s\n", parser->functions[i]->name);
2045 ir_builder_delete(ir);
2051 ir_builder_dump(ir, printf);
2053 if (!ir_builder_generate(ir, output)) {
2054 printf("*** failed to generate output file\n");
2055 ir_builder_delete(ir);
2059 ir_builder_delete(ir);
2063 printf("*** there were compile errors\n");