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");
349 temptype = parser_token(parser)->constval.t;
350 if (!parser_next(parser))
353 param = parser_parse_type(parser, temptype, &isfuncparam);
358 if (parser->tok == TOKEN_IDENT) {
359 /* named parameter */
360 if (!ast_value_set_name(param, parser_tokval(parser)))
362 if (!parser_next(parser))
366 /* This comes before the isfield part! */
368 ast_value *fval = ast_value_new(ast_ctx(param), param->name, TYPE_FUNCTION);
373 fval->expression.next = (ast_expression*)param;
374 MEM_VECTOR_MOVE(¶m->expression, params, &fval->expression, params);
375 fval->expression.variadic = param->expression.variadic;
380 fld = ast_value_new(ctx, param->name, TYPE_FIELD);
381 fld->expression.next = (ast_expression*)param;
385 if (!paramlist_t_p_add(¶ms, param)) {
386 parseerror(parser, "Out of memory while parsing typename");
390 if (parser->tok == ',')
392 if (parser->tok == ')')
394 parseerror(parser, "Unexpected token");
397 if (!parser_next(parser))
401 var = ast_value_new(ctx, "<unnamed>", vtype);
404 var->expression.variadic = variadic;
405 MEM_VECTOR_MOVE(¶ms, p, &var->expression, params);
408 for (i = 0; i < params.p_count; ++i)
409 ast_value_delete(params.p[i]);
410 MEM_VECTOR_CLEAR(¶ms, p);
416 size_t etype; /* 0 = expression, others are operators */
420 ast_block *block; /* for commas and function calls */
425 MEM_VECTOR_MAKE(sy_elem, out);
426 MEM_VECTOR_MAKE(sy_elem, ops);
428 MEM_VEC_FUNCTIONS(shunt, sy_elem, out)
429 MEM_VEC_FUNCTIONS(shunt, sy_elem, ops)
431 static sy_elem syexp(lex_ctx ctx, ast_expression *v) {
441 static sy_elem syblock(lex_ctx ctx, ast_block *v) {
444 e.out = (ast_expression*)v;
451 static sy_elem syop(lex_ctx ctx, const oper_info *op) {
453 e.etype = 1 + (op - operators);
461 static sy_elem syparen(lex_ctx ctx, int p, size_t off) {
473 # define DEBUGSHUNTDO(x) x
475 # define DEBUGSHUNTDO(x)
478 static bool parser_sy_pop(parser_t *parser, shunt *sy)
482 ast_expression *out = NULL;
483 ast_expression *exprs[3];
484 ast_block *blocks[3];
485 ast_value *asvalue[3];
487 qcint generated_op = 0;
489 if (!sy->ops_count) {
490 parseerror(parser, "internal error: missing operator");
494 if (sy->ops[sy->ops_count-1].paren) {
495 parseerror(parser, "unmatched parenthesis");
499 op = &operators[sy->ops[sy->ops_count-1].etype - 1];
500 ctx = sy->ops[sy->ops_count-1].ctx;
502 DEBUGSHUNTDO(printf("apply %s\n", op->op));
504 if (sy->out_count < op->operands) {
505 parseerror(parser, "internal error: not enough operands: %i (operator %s (%i))", sy->out_count,
506 op->op, (int)op->id);
512 sy->out_count -= op->operands;
513 for (i = 0; i < op->operands; ++i) {
514 exprs[i] = sy->out[sy->out_count+i].out;
515 blocks[i] = sy->out[sy->out_count+i].block;
516 asvalue[i] = (ast_value*)exprs[i];
519 if (blocks[0] && !blocks[0]->exprs_count && op->id != opid1(',')) {
520 parseerror(parser, "internal error: operator cannot be applied on empty blocks");
524 #define NotSameType(T) \
525 (exprs[0]->expression.vtype != exprs[1]->expression.vtype || \
526 exprs[0]->expression.vtype != T)
527 #define CanConstFold1(A) \
528 (ast_istype((A), ast_value) && ((ast_value*)(A))->isconst)
529 #define CanConstFold(A, B) \
530 (CanConstFold1(A) && CanConstFold1(B))
531 #define ConstV(i) (asvalue[(i)]->constval.vvec)
532 #define ConstF(i) (asvalue[(i)]->constval.vfloat)
533 #define ConstS(i) (asvalue[(i)]->constval.vstring)
537 parseerror(parser, "internal error: unhandled operator: %s (%i)", op->op, (int)op->id);
541 if (exprs[0]->expression.vtype == TYPE_ENTITY) {
542 if (exprs[1]->expression.vtype != TYPE_FIELD) {
543 parseerror(parser, "type error: right hand of member-operand should be an entity-field");
546 out = (ast_expression*)ast_entfield_new(ctx, exprs[0], exprs[1]);
548 else if (exprs[0]->expression.vtype == TYPE_VECTOR) {
549 parseerror(parser, "internal error: vector access is not supposed to be handled at this point");
553 parseerror(parser, "type error: member-of operator on something that is not an entity or vector");
560 if (!ast_block_exprs_add(blocks[0], exprs[1]))
563 blocks[0] = ast_block_new(ctx);
564 if (!ast_block_exprs_add(blocks[0], exprs[0]) ||
565 !ast_block_exprs_add(blocks[0], exprs[1]))
570 if (!ast_block_set_type(blocks[0], exprs[1]))
573 sy->out[sy->out_count++] = syblock(ctx, blocks[0]);
577 switch (exprs[0]->expression.vtype) {
579 if (CanConstFold1(exprs[0]))
580 out = (ast_expression*)parser_const_float(parser, -ConstF(0));
582 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_F,
583 (ast_expression*)parser_const_float_0(parser),
587 if (CanConstFold1(exprs[0]))
588 out = (ast_expression*)parser_const_vector_f(parser,
589 -ConstV(0).x, -ConstV(0).y, -ConstV(0).z);
591 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_V,
592 (ast_expression*)parser_const_vector_0(parser),
596 parseerror(parser, "invalid types used in expression: cannot negate type %s",
597 type_name[exprs[0]->expression.vtype]);
603 switch (exprs[0]->expression.vtype) {
605 if (CanConstFold1(exprs[0]))
606 out = (ast_expression*)parser_const_float(parser, !ConstF(0));
608 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_F, exprs[0]);
611 if (CanConstFold1(exprs[0]))
612 out = (ast_expression*)parser_const_float(parser,
613 (!ConstV(0).x && !ConstV(0).y && !ConstV(0).z));
615 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_V, exprs[0]);
618 if (CanConstFold1(exprs[0]))
619 out = (ast_expression*)parser_const_float(parser, !ConstS(0) || !*ConstS(0));
621 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_S, exprs[0]);
623 /* we don't constant-fold NOT for these types */
625 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_ENT, exprs[0]);
628 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_FNC, exprs[0]);
631 parseerror(parser, "invalid types used in expression: cannot logically negate type %s",
632 type_name[exprs[0]->expression.vtype]);
638 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
639 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
641 parseerror(parser, "invalid types used in expression: cannot add type %s and %s",
642 type_name[exprs[0]->expression.vtype],
643 type_name[exprs[1]->expression.vtype]);
646 switch (exprs[0]->expression.vtype) {
648 if (CanConstFold(exprs[0], exprs[1]))
650 out = (ast_expression*)parser_const_float(parser, ConstF(0) + ConstF(1));
653 out = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_F, exprs[0], exprs[1]);
656 if (CanConstFold(exprs[0], exprs[1]))
657 out = (ast_expression*)parser_const_vector(parser, vec3_add(ConstV(0), ConstV(1)));
659 out = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_V, exprs[0], exprs[1]);
662 parseerror(parser, "invalid types used in expression: cannot add type %s and %s",
663 type_name[exprs[0]->expression.vtype],
664 type_name[exprs[1]->expression.vtype]);
669 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
670 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
672 parseerror(parser, "invalid types used in expression: cannot subtract type %s from %s",
673 type_name[exprs[1]->expression.vtype],
674 type_name[exprs[0]->expression.vtype]);
677 switch (exprs[0]->expression.vtype) {
679 if (CanConstFold(exprs[0], exprs[1]))
680 out = (ast_expression*)parser_const_float(parser, ConstF(0) - ConstF(1));
682 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_F, exprs[0], exprs[1]);
685 if (CanConstFold(exprs[0], exprs[1]))
686 out = (ast_expression*)parser_const_vector(parser, vec3_sub(ConstV(0), ConstV(1)));
688 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_V, exprs[0], exprs[1]);
691 parseerror(parser, "invalid types used in expression: cannot subtract type %s from %s",
692 type_name[exprs[1]->expression.vtype],
693 type_name[exprs[0]->expression.vtype]);
698 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype &&
699 exprs[0]->expression.vtype != TYPE_VECTOR &&
700 exprs[0]->expression.vtype != TYPE_FLOAT &&
701 exprs[1]->expression.vtype != TYPE_VECTOR &&
702 exprs[1]->expression.vtype != TYPE_FLOAT)
704 parseerror(parser, "invalid types used in expression: cannot multiply types %s and %s",
705 type_name[exprs[1]->expression.vtype],
706 type_name[exprs[0]->expression.vtype]);
709 switch (exprs[0]->expression.vtype) {
711 if (exprs[1]->expression.vtype == TYPE_VECTOR)
713 if (CanConstFold(exprs[0], exprs[1]))
714 out = (ast_expression*)parser_const_vector(parser, vec3_mulvf(ConstV(1), ConstF(0)));
716 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_FV, exprs[0], exprs[1]);
720 if (CanConstFold(exprs[0], exprs[1]))
721 out = (ast_expression*)parser_const_float(parser, ConstF(0) * ConstF(1));
723 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_F, exprs[0], exprs[1]);
727 if (exprs[1]->expression.vtype == TYPE_FLOAT)
729 if (CanConstFold(exprs[0], exprs[1]))
730 out = (ast_expression*)parser_const_vector(parser, vec3_mulvf(ConstV(0), ConstF(1)));
732 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_VF, exprs[0], exprs[1]);
736 if (CanConstFold(exprs[0], exprs[1]))
737 out = (ast_expression*)parser_const_float(parser, vec3_mulvv(ConstV(0), ConstV(1)));
739 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_V, exprs[0], exprs[1]);
743 parseerror(parser, "invalid types used in expression: cannot multiply types %s and %s",
744 type_name[exprs[1]->expression.vtype],
745 type_name[exprs[0]->expression.vtype]);
750 if (NotSameType(TYPE_FLOAT)) {
751 parseerror(parser, "invalid types used in expression: cannot divide types %s and %s",
752 type_name[exprs[0]->expression.vtype],
753 type_name[exprs[1]->expression.vtype]);
756 if (CanConstFold(exprs[0], exprs[1]))
757 out = (ast_expression*)parser_const_float(parser, ConstF(0) / ConstF(1));
759 out = (ast_expression*)ast_binary_new(ctx, INSTR_DIV_F, exprs[0], exprs[1]);
763 parseerror(parser, "qc does not have a modulo operator");
767 if (NotSameType(TYPE_FLOAT)) {
768 parseerror(parser, "invalid types used in expression: cannot perform bit operations between types %s and %s",
769 type_name[exprs[0]->expression.vtype],
770 type_name[exprs[1]->expression.vtype]);
773 if (CanConstFold(exprs[0], exprs[1]))
774 out = (ast_expression*)parser_const_float(parser,
775 (op->id == opid1('|') ? (float)( ((qcint)ConstF(0)) | ((qcint)ConstF(1)) ) :
776 (float)( ((qcint)ConstF(0)) & ((qcint)ConstF(1)) ) ));
778 out = (ast_expression*)ast_binary_new(ctx,
779 (op->id == opid1('|') ? INSTR_BITOR : INSTR_BITAND),
783 parseerror(parser, "TODO: bitxor");
788 case opid3('<','<','='):
789 case opid3('>','>','='):
790 parseerror(parser, "TODO: shifts");
794 generated_op += 1; /* INSTR_OR */
796 generated_op += INSTR_AND;
797 if (NotSameType(TYPE_FLOAT)) {
798 parseerror(parser, "invalid types used in expression: cannot perform logical operations between types %s and %s",
799 type_name[exprs[0]->expression.vtype],
800 type_name[exprs[1]->expression.vtype]);
801 parseerror(parser, "TODO: logical ops for arbitrary types using INSTR_NOT");
802 parseerror(parser, "TODO: optional early out");
805 if (opts_standard == COMPILER_GMQCC)
806 printf("TODO: early out logic\n");
807 if (CanConstFold(exprs[0], exprs[1]))
808 out = (ast_expression*)parser_const_float(parser,
809 (generated_op == INSTR_OR ? (ConstF(0) || ConstF(1)) : (ConstF(0) && ConstF(1))));
811 out = (ast_expression*)ast_binary_new(ctx, generated_op, exprs[0], exprs[1]);
815 generated_op += 1; /* INSTR_GT */
817 generated_op += 1; /* INSTR_LT */
818 case opid2('>', '='):
819 generated_op += 1; /* INSTR_GE */
820 case opid2('<', '='):
821 generated_op += INSTR_LE;
822 if (NotSameType(TYPE_FLOAT)) {
823 parseerror(parser, "invalid types used in expression: cannot perform comparison between types %s and %s",
824 type_name[exprs[0]->expression.vtype],
825 type_name[exprs[1]->expression.vtype]);
828 out = (ast_expression*)ast_binary_new(ctx, generated_op, exprs[0], exprs[1]);
830 case opid2('!', '='):
831 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype) {
832 parseerror(parser, "invalid types used in expression: cannot perform comparison between types %s and %s",
833 type_name[exprs[0]->expression.vtype],
834 type_name[exprs[1]->expression.vtype]);
837 out = (ast_expression*)ast_binary_new(ctx, type_ne_instr[exprs[0]->expression.vtype], exprs[0], exprs[1]);
839 case opid2('=', '='):
840 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype) {
841 parseerror(parser, "invalid types used in expression: cannot perform comparison between types %s and %s",
842 type_name[exprs[0]->expression.vtype],
843 type_name[exprs[1]->expression.vtype]);
846 out = (ast_expression*)ast_binary_new(ctx, type_eq_instr[exprs[0]->expression.vtype], exprs[0], exprs[1]);
850 if (ast_istype(exprs[0], ast_entfield))
851 assignop = type_storep_instr[exprs[0]->expression.vtype];
853 assignop = type_store_instr[exprs[0]->expression.vtype];
854 out = (ast_expression*)ast_store_new(ctx, assignop, exprs[0], exprs[1]);
858 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
859 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
861 parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
862 type_name[exprs[0]->expression.vtype],
863 type_name[exprs[1]->expression.vtype]);
866 if (ast_istype(exprs[0], ast_entfield))
867 assignop = type_storep_instr[exprs[0]->expression.vtype];
869 assignop = type_store_instr[exprs[0]->expression.vtype];
870 switch (exprs[0]->expression.vtype) {
872 out = (ast_expression*)ast_binstore_new(ctx, assignop,
873 (op->id == opid2('+','=') ? INSTR_ADD_F : INSTR_SUB_F),
877 out = (ast_expression*)ast_binstore_new(ctx, assignop,
878 (op->id == opid2('+','=') ? INSTR_ADD_V : INSTR_SUB_V),
882 parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
883 type_name[exprs[0]->expression.vtype],
884 type_name[exprs[1]->expression.vtype]);
892 parseerror(parser, "failed to apply operand %s", op->op);
896 DEBUGSHUNTDO(printf("applied %s\n", op->op));
897 sy->out[sy->out_count++] = syexp(ctx, out);
901 static bool parser_close_call(parser_t *parser, shunt *sy)
903 /* was a function call */
911 fid = sy->ops[sy->ops_count].off;
913 /* out[fid] is the function
914 * everything above is parameters...
916 * 1 params = ast_expression
920 if (sy->out_count < 1 || sy->out_count <= fid) {
921 parseerror(parser, "internal error: function call needs function and parameter list...");
925 fun = sy->out[fid].out;
927 call = ast_call_new(sy->ops[sy->ops_count].ctx, fun);
929 parseerror(parser, "out of memory");
933 if (fid+1 == sy->out_count) {
936 } else if (fid+2 == sy->out_count) {
939 params = sy->out[sy->out_count].block;
943 if (!ast_call_params_add(call, sy->out[sy->out_count].out)) {
944 ast_delete(sy->out[sy->out_count].out);
945 parseerror(parser, "out of memory");
949 paramcount = params->exprs_count;
950 MEM_VECTOR_MOVE(params, exprs, call, params);
954 parseerror(parser, "invalid function call");
958 /* overwrite fid, the function, with a call */
959 sy->out[fid] = syexp(call->expression.node.context, (ast_expression*)call);
961 if (fun->expression.vtype != TYPE_FUNCTION) {
962 parseerror(parser, "not a function (%s)", type_name[fun->expression.vtype]);
966 if (!fun->expression.next) {
967 parseerror(parser, "could not determine function return type");
970 if (fun->expression.params_count != paramcount &&
971 !(fun->expression.variadic &&
972 fun->expression.params_count < paramcount))
975 const char *fewmany = (fun->expression.params_count > paramcount) ? "few" : "many";
977 fval = (ast_istype(fun, ast_value) ? ((ast_value*)fun) : NULL);
978 if (opts_standard == COMPILER_GMQCC)
981 parseerror(parser, "too %s parameters for call to %s: expected %i, got %i", fewmany,
982 fval->name, (int)fun->expression.params_count, paramcount);
984 parseerror(parser, "too %s parameters for function call: expected %i, got %i", fewmany,
985 (int)fun->expression.params_count, paramcount);
991 return !parsewarning(parser, WARN_TOO_FEW_PARAMETERS,
992 "too %s parameters for call to %s: expected %i, got %i", fewmany,
993 fval->name, (int)fun->expression.params_count, paramcount);
995 return !parsewarning(parser, WARN_TOO_FEW_PARAMETERS,
996 "too %s parameters for function call: expected %i, got %i", fewmany,
997 (int)fun->expression.params_count, paramcount);
1005 static bool parser_close_paren(parser_t *parser, shunt *sy, bool functions_only)
1007 if (!sy->ops_count) {
1008 parseerror(parser, "unmatched closing paren");
1011 /* this would for bit a + (x) because there are no operators inside (x)
1012 if (sy->ops[sy->ops_count-1].paren == 1) {
1013 parseerror(parser, "empty parenthesis expression");
1017 while (sy->ops_count) {
1018 if (sy->ops[sy->ops_count-1].paren == 'f') {
1019 if (!parser_close_call(parser, sy))
1023 if (sy->ops[sy->ops_count-1].paren == 1) {
1025 return !functions_only;
1027 if (!parser_sy_pop(parser, sy))
1033 static void parser_reclassify_token(parser_t *parser)
1036 for (i = 0; i < operator_count; ++i) {
1037 if (!strcmp(parser_tokval(parser), operators[i].op)) {
1038 parser->tok = TOKEN_OPERATOR;
1044 static ast_expression* parser_expression_leave(parser_t *parser, bool stopatcomma)
1046 ast_expression *expr = NULL;
1048 bool wantop = false;
1049 bool gotmemberof = false;
1051 /* count the parens because an if starts with one, so the
1052 * end of a condition is an unmatched closing paren
1056 MEM_VECTOR_INIT(&sy, out);
1057 MEM_VECTOR_INIT(&sy, ops);
1059 parser->lex->flags.noops = false;
1061 parser_reclassify_token(parser);
1066 gotmemberof = false;
1068 parser->memberof = 0;
1070 if (parser->tok == TOKEN_IDENT)
1072 ast_expression *var;
1074 parseerror(parser, "expected operator or end of statement");
1079 if (opts_standard == COMPILER_GMQCC)
1081 if (parser->memberof == TYPE_ENTITY) {
1082 /* still get vars first since there could be a fieldpointer */
1083 var = parser_find_var(parser, parser_tokval(parser));
1085 var = parser_find_field(parser, parser_tokval(parser));
1087 else if (parser->memberof == TYPE_VECTOR)
1089 parseerror(parser, "TODO: implement effective vector member access");
1092 else if (parser->memberof) {
1093 parseerror(parser, "namespace for member not found");
1097 var = parser_find_var(parser, parser_tokval(parser));
1099 var = parser_find_var(parser, parser_tokval(parser));
1101 var = parser_find_field(parser, parser_tokval(parser));
1104 parseerror(parser, "unexpected ident: %s", parser_tokval(parser));
1107 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), var))) {
1108 parseerror(parser, "out of memory");
1111 DEBUGSHUNTDO(printf("push %s\n", parser_tokval(parser)));
1113 else if (parser->tok == TOKEN_FLOATCONST) {
1116 parseerror(parser, "expected operator or end of statement, got constant");
1120 val = parser_const_float(parser, (parser_token(parser)->constval.f));
1123 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
1124 parseerror(parser, "out of memory");
1127 DEBUGSHUNTDO(printf("push %g\n", parser_token(parser)->constval.f));
1129 else if (parser->tok == TOKEN_INTCONST) {
1132 parseerror(parser, "expected operator or end of statement, got constant");
1136 val = parser_const_float(parser, (double)(parser_token(parser)->constval.i));
1139 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
1140 parseerror(parser, "out of memory");
1143 DEBUGSHUNTDO(printf("push %i\n", parser_token(parser)->constval.i));
1145 else if (parser->tok == TOKEN_STRINGCONST) {
1148 parseerror(parser, "expected operator or end of statement, got constant");
1152 val = parser_const_string(parser, parser_tokval(parser));
1155 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
1156 parseerror(parser, "out of memory");
1159 DEBUGSHUNTDO(printf("push string\n"));
1161 else if (parser->tok == TOKEN_VECTORCONST) {
1164 parseerror(parser, "expected operator or end of statement, got constant");
1168 val = parser_const_vector(parser, parser_token(parser)->constval.v);
1171 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
1172 parseerror(parser, "out of memory");
1175 DEBUGSHUNTDO(printf("push '%g %g %g'\n",
1176 parser_token(parser)->constval.v.x,
1177 parser_token(parser)->constval.v.y,
1178 parser_token(parser)->constval.v.z));
1180 else if (parser->tok == '(') {
1181 parseerror(parser, "internal error: '(' should be classified as operator");
1184 else if (parser->tok == ')') {
1186 DEBUGSHUNTDO(printf("do[op] )\n"));
1190 /* we do expect an operator next */
1191 /* closing an opening paren */
1192 if (!parser_close_paren(parser, &sy, false))
1195 DEBUGSHUNTDO(printf("do[nop] )\n"));
1199 /* allowed for function calls */
1200 if (!parser_close_paren(parser, &sy, true))
1205 else if (parser->tok != TOKEN_OPERATOR) {
1207 parseerror(parser, "expected operator or end of statement");
1214 /* classify the operator */
1215 /* TODO: suffix operators */
1216 const oper_info *op;
1217 const oper_info *olast = NULL;
1219 for (o = 0; o < operator_count; ++o) {
1220 if ((!(operators[o].flags & OP_PREFIX) == wantop) &&
1221 !(operators[o].flags & OP_SUFFIX) && /* remove this */
1222 !strcmp(parser_tokval(parser), operators[o].op))
1227 if (o == operator_count) {
1228 /* no operator found... must be the end of the statement */
1231 /* found an operator */
1234 /* when declaring variables, a comma starts a new variable */
1235 if (op->id == opid1(',') && !parens && stopatcomma) {
1236 /* fixup the token */
1241 if (sy.ops_count && !sy.ops[sy.ops_count-1].paren)
1242 olast = &operators[sy.ops[sy.ops_count-1].etype-1];
1245 (op->prec < olast->prec) ||
1246 (op->assoc == ASSOC_LEFT && op->prec <= olast->prec) ) )
1248 if (!parser_sy_pop(parser, &sy))
1250 if (sy.ops_count && !sy.ops[sy.ops_count-1].paren)
1251 olast = &operators[sy.ops[sy.ops_count-1].etype-1];
1256 if (op->id == opid1('.') && opts_standard == COMPILER_GMQCC) {
1257 /* for gmqcc standard: open up the namespace of the previous type */
1258 ast_expression *prevex = sy.out[sy.out_count-1].out;
1260 parseerror(parser, "unexpected member operator");
1263 if (prevex->expression.vtype == TYPE_ENTITY)
1264 parser->memberof = TYPE_ENTITY;
1265 else if (prevex->expression.vtype == TYPE_VECTOR)
1266 parser->memberof = TYPE_VECTOR;
1268 parseerror(parser, "type error: type has no members");
1274 if (op->id == opid1('(')) {
1276 DEBUGSHUNTDO(printf("push [op] (\n"));
1278 /* we expected an operator, this is the function-call operator */
1279 if (!shunt_ops_add(&sy, syparen(parser_ctx(parser), 'f', sy.out_count-1))) {
1280 parseerror(parser, "out of memory");
1285 if (!shunt_ops_add(&sy, syparen(parser_ctx(parser), 1, 0))) {
1286 parseerror(parser, "out of memory");
1289 DEBUGSHUNTDO(printf("push [nop] (\n"));
1293 DEBUGSHUNTDO(printf("push operator %s\n", op->op));
1294 if (!shunt_ops_add(&sy, syop(parser_ctx(parser), op)))
1299 if (!parser_next(parser)) {
1302 if (parser->tok == ';' || parser->tok == ']') {
1307 while (sy.ops_count) {
1308 if (!parser_sy_pop(parser, &sy))
1312 parser->lex->flags.noops = true;
1313 if (!sy.out_count) {
1314 parseerror(parser, "empty expression");
1317 expr = sy.out[0].out;
1318 MEM_VECTOR_CLEAR(&sy, out);
1319 MEM_VECTOR_CLEAR(&sy, ops);
1320 DEBUGSHUNTDO(printf("shunt done\n"));
1324 parser->lex->flags.noops = true;
1325 MEM_VECTOR_CLEAR(&sy, out);
1326 MEM_VECTOR_CLEAR(&sy, ops);
1330 static ast_expression* parser_expression(parser_t *parser, bool stopatcomma)
1332 ast_expression *e = parser_expression_leave(parser, stopatcomma);
1335 if (!parser_next(parser)) {
1342 static bool parser_parse_if(parser_t *parser, ast_block *block, ast_expression **out)
1345 ast_expression *cond, *ontrue, *onfalse = NULL;
1347 lex_ctx ctx = parser_ctx(parser);
1349 /* skip the 'if' and check for opening paren */
1350 if (!parser_next(parser) || parser->tok != '(') {
1351 parseerror(parser, "expected 'if' condition in parenthesis");
1354 /* parse into the expression */
1355 if (!parser_next(parser)) {
1356 parseerror(parser, "expected 'if' condition after opening paren");
1359 /* parse the condition */
1360 cond = parser_expression_leave(parser, false);
1364 if (parser->tok != ')') {
1365 parseerror(parser, "expected closing paren after 'if' condition");
1369 /* parse into the 'then' branch */
1370 if (!parser_next(parser)) {
1371 parseerror(parser, "expected statement for on-true branch of 'if'");
1375 ontrue = parser_parse_statement_or_block(parser);
1380 /* check for an else */
1381 if (!strcmp(parser_tokval(parser), "else")) {
1382 /* parse into the 'else' branch */
1383 if (!parser_next(parser)) {
1384 parseerror(parser, "expected on-false branch after 'else'");
1389 onfalse = parser_parse_statement_or_block(parser);
1397 ifthen = ast_ifthen_new(ctx, cond, ontrue, onfalse);
1398 *out = (ast_expression*)ifthen;
1402 static bool parser_parse_while(parser_t *parser, ast_block *block, ast_expression **out)
1405 ast_expression *cond, *ontrue;
1407 lex_ctx ctx = parser_ctx(parser);
1409 /* skip the 'while' and check for opening paren */
1410 if (!parser_next(parser) || parser->tok != '(') {
1411 parseerror(parser, "expected 'while' condition in parenthesis");
1414 /* parse into the expression */
1415 if (!parser_next(parser)) {
1416 parseerror(parser, "expected 'while' condition after opening paren");
1419 /* parse the condition */
1420 cond = parser_expression_leave(parser, false);
1424 if (parser->tok != ')') {
1425 parseerror(parser, "expected closing paren after 'while' condition");
1429 /* parse into the 'then' branch */
1430 if (!parser_next(parser)) {
1431 parseerror(parser, "expected while-loop body");
1435 ontrue = parser_parse_statement_or_block(parser);
1441 aloop = ast_loop_new(ctx, NULL, cond, NULL, NULL, ontrue);
1442 *out = (ast_expression*)aloop;
1446 static bool parser_parse_dowhile(parser_t *parser, ast_block *block, ast_expression **out)
1449 ast_expression *cond, *ontrue;
1451 lex_ctx ctx = parser_ctx(parser);
1453 /* skip the 'do' and get the body */
1454 if (!parser_next(parser)) {
1455 parseerror(parser, "expected loop body");
1458 ontrue = parser_parse_statement_or_block(parser);
1462 /* expect the "while" */
1463 if (parser->tok != TOKEN_KEYWORD ||
1464 strcmp(parser_tokval(parser), "while"))
1466 parseerror(parser, "expected 'while' and condition");
1471 /* skip the 'while' and check for opening paren */
1472 if (!parser_next(parser) || parser->tok != '(') {
1473 parseerror(parser, "expected 'while' condition in parenthesis");
1477 /* parse into the expression */
1478 if (!parser_next(parser)) {
1479 parseerror(parser, "expected 'while' condition after opening paren");
1483 /* parse the condition */
1484 cond = parser_expression_leave(parser, false);
1488 if (parser->tok != ')') {
1489 parseerror(parser, "expected closing paren after 'while' condition");
1495 if (!parser_next(parser) || parser->tok != ';') {
1496 parseerror(parser, "expected semicolon after condition");
1502 if (!parser_next(parser)) {
1503 parseerror(parser, "parse error");
1509 aloop = ast_loop_new(ctx, NULL, NULL, cond, NULL, ontrue);
1510 *out = (ast_expression*)aloop;
1514 static bool parser_parse_for(parser_t *parser, ast_block *block, ast_expression **out)
1517 ast_expression *initexpr, *cond, *increment, *ontrue;
1518 size_t oldblocklocal;
1520 lex_ctx ctx = parser_ctx(parser);
1522 oldblocklocal = parser->blocklocal;
1523 parser->blocklocal = parser->locals_count;
1530 /* skip the 'while' and check for opening paren */
1531 if (!parser_next(parser) || parser->tok != '(') {
1532 parseerror(parser, "expected 'for' expressions in parenthesis");
1535 /* parse into the expression */
1536 if (!parser_next(parser)) {
1537 parseerror(parser, "expected 'for' initializer after opening paren");
1541 if (parser->tok == TOKEN_TYPENAME) {
1542 if (opts_standard != COMPILER_GMQCC) {
1543 if (parsewarning(parser, WARN_EXTENSIONS,
1544 "current standard does not allow variable declarations in for-loop initializers"))
1548 parseerror(parser, "TODO: assignment of new variables to be non-const");
1550 if (!parser_variable(parser, block))
1553 else if (parser->tok != ';')
1555 initexpr = parser_expression_leave(parser, false);
1560 /* move on to condition */
1561 if (parser->tok != ';') {
1562 parseerror(parser, "expected semicolon after for-loop initializer");
1565 if (!parser_next(parser)) {
1566 parseerror(parser, "expected for-loop condition");
1570 /* parse the condition */
1571 if (parser->tok != ';') {
1572 cond = parser_expression_leave(parser, false);
1577 /* move on to incrementor */
1578 if (parser->tok != ';') {
1579 parseerror(parser, "expected semicolon after for-loop initializer");
1582 if (!parser_next(parser)) {
1583 parseerror(parser, "expected for-loop condition");
1587 /* parse the incrementor */
1588 if (parser->tok != ')') {
1589 increment = parser_expression_leave(parser, false);
1595 if (parser->tok != ')') {
1596 parseerror(parser, "expected closing paren after 'for-loop' incrementor");
1599 /* parse into the 'then' branch */
1600 if (!parser_next(parser)) {
1601 parseerror(parser, "expected for-loop body");
1604 ontrue = parser_parse_statement_or_block(parser);
1609 aloop = ast_loop_new(ctx, initexpr, cond, NULL, increment, ontrue);
1610 *out = (ast_expression*)aloop;
1612 while (parser->locals_count > parser->blocklocal)
1613 parser_pop_local(parser);
1614 parser->blocklocal = oldblocklocal;
1617 if (initexpr) ast_delete(initexpr);
1618 if (cond) ast_delete(cond);
1619 if (increment) ast_delete(increment);
1620 while (parser->locals_count > parser->blocklocal)
1621 parser_pop_local(parser);
1622 parser->blocklocal = oldblocklocal;
1626 static bool parser_parse_statement(parser_t *parser, ast_block *block, ast_expression **out)
1628 if (parser->tok == TOKEN_TYPENAME)
1630 /* local variable */
1632 parseerror(parser, "cannot declare a variable from here");
1635 if (opts_standard == COMPILER_QCC) {
1636 if (parsewarning(parser, WARN_EXTENSIONS, "missing 'local' keyword when declaring a local variable"))
1639 if (!parser_variable(parser, block))
1644 else if (parser->tok == TOKEN_KEYWORD)
1646 if (!strcmp(parser_tokval(parser), "local"))
1649 parseerror(parser, "cannot declare a local variable here");
1652 if (!parser_next(parser)) {
1653 parseerror(parser, "expected variable declaration");
1656 if (!parser_variable(parser, block))
1661 else if (!strcmp(parser_tokval(parser), "return"))
1663 ast_expression *exp = NULL;
1664 ast_return *ret = NULL;
1665 ast_value *expected = parser->function->vtype;
1667 if (!parser_next(parser)) {
1668 parseerror(parser, "expected return expression");
1672 if (parser->tok != ';') {
1673 exp = parser_expression(parser, false);
1677 if (exp->expression.vtype != expected->expression.next->expression.vtype) {
1678 parseerror(parser, "return with invalid expression");
1681 ret = ast_return_new(exp->expression.node.context, exp);
1687 if (!parser_next(parser))
1688 parseerror(parser, "parse error");
1689 if (expected->expression.next->expression.vtype != TYPE_VOID) {
1690 if (opts_standard != COMPILER_GMQCC)
1691 (void)!parsewarning(parser, WARN_MISSING_RETURN_VALUES, "return without value");
1693 parseerror(parser, "return without value");
1695 ret = ast_return_new(parser_ctx(parser), NULL);
1697 *out = (ast_expression*)ret;
1700 else if (!strcmp(parser_tokval(parser), "if"))
1702 return parser_parse_if(parser, block, out);
1704 else if (!strcmp(parser_tokval(parser), "while"))
1706 return parser_parse_while(parser, block, out);
1708 else if (!strcmp(parser_tokval(parser), "do"))
1710 return parser_parse_dowhile(parser, block, out);
1712 else if (!strcmp(parser_tokval(parser), "for"))
1714 if (opts_standard == COMPILER_QCC) {
1715 if (parsewarning(parser, WARN_EXTENSIONS, "for loops are not recognized in the original Quake C standard, to enable try an alternate standard --std=?"))
1718 return parser_parse_for(parser, block, out);
1720 parseerror(parser, "Unexpected keyword");
1723 else if (parser->tok == '{')
1726 inner = parser_parse_block(parser, false);
1729 *out = (ast_expression*)inner;
1734 ast_expression *exp = parser_expression(parser, false);
1742 static void parser_pop_local(parser_t *parser)
1744 parser->locals_count--;
1745 mem_d(parser->locals[parser->locals_count].name);
1748 static bool parser_parse_block_into(parser_t *parser, ast_block *block, bool warnreturn)
1750 size_t oldblocklocal;
1752 oldblocklocal = parser->blocklocal;
1753 parser->blocklocal = parser->locals_count;
1755 if (!parser_next(parser)) { /* skip the '{' */
1756 parseerror(parser, "expected function body");
1760 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
1762 ast_expression *expr;
1763 if (parser->tok == '}')
1766 if (!parser_parse_statement(parser, block, &expr)) {
1767 parseerror(parser, "parse error");
1773 if (!ast_block_exprs_add(block, expr)) {
1780 if (parser->tok != '}') {
1783 if (warnreturn && parser->function->vtype->expression.next->expression.vtype != TYPE_VOID)
1785 if (!block->exprs_count ||
1786 !ast_istype(block->exprs[block->exprs_count-1], ast_return))
1788 if (parsewarning(parser, WARN_MISSING_RETURN_VALUES, "control reaches end of non-void function")) {
1794 (void)parser_next(parser);
1798 while (parser->locals_count > parser->blocklocal)
1799 parser_pop_local(parser);
1800 parser->blocklocal = oldblocklocal;
1804 static ast_block* parser_parse_block(parser_t *parser, bool warnreturn)
1807 block = ast_block_new(parser_ctx(parser));
1810 if (!parser_parse_block_into(parser, block, warnreturn)) {
1811 ast_block_delete(block);
1817 static ast_expression* parser_parse_statement_or_block(parser_t *parser)
1819 ast_expression *expr = NULL;
1820 if (parser->tok == '{')
1821 return (ast_expression*)parser_parse_block(parser, false);
1822 if (!parser_parse_statement(parser, NULL, &expr))
1827 static bool create_vector_members(parser_t *parser, ast_value *var,
1828 varentry_t *vx, varentry_t *vy, varentry_t *vz)
1830 size_t len = strlen(var->name);
1831 vx->var = (ast_expression*)ast_member_new(ast_ctx(var), (ast_expression*)var, 0);
1833 parseerror(parser, "failed to create vector members (out of memory)");
1837 vy->var = (ast_expression*)ast_member_new(ast_ctx(var), (ast_expression*)var, 1);
1839 ast_delete(vx->var);
1840 parseerror(parser, "failed to create vector members (out of memory)");
1844 vz->var = (ast_expression*)ast_member_new(ast_ctx(var), (ast_expression*)var, 2);
1846 ast_delete(vy->var);
1847 ast_delete(vx->var);
1848 parseerror(parser, "failed to create vector members (out of memory)");
1852 if ( !(vx->name = (char*)mem_a(len+3)) ) {
1853 ast_delete(vz->var);
1854 ast_delete(vy->var);
1855 ast_delete(vx->var);
1856 parseerror(parser, "failed to create vector members (out of memory)");
1859 if ( !(vy->name = (char*)mem_a(len+3)) ) {
1861 ast_delete(vz->var);
1862 ast_delete(vy->var);
1863 ast_delete(vx->var);
1864 parseerror(parser, "failed to create vector members (out of memory)");
1867 if ( !(vz->name = (char*)mem_a(len+3)) ) {
1870 ast_delete(vz->var);
1871 ast_delete(vy->var);
1872 ast_delete(vx->var);
1873 parseerror(parser, "failed to create vector members (out of memory)");
1877 memcpy(vx->name, var->name, len);
1878 memcpy(vy->name, var->name, len);
1879 memcpy(vz->name, var->name, len);
1880 vx->name[len] = vy->name[len] = vz->name[len] = '_';
1881 vx->name[len+1] = 'x';
1882 vy->name[len+1] = 'y';
1883 vz->name[len+1] = 'z';
1884 vx->name[len+2] = vy->name[len+2] = vz->name[len+2] = 0;
1888 static bool parser_variable(parser_t *parser, ast_block *localblock)
1890 bool isfunc = false;
1894 ast_expression *olddecl;
1901 int basetype = parser_token(parser)->constval.t;
1903 if (!parser_next(parser)) {
1904 parseerror(parser, "expected variable definition");
1908 typevar = parser_parse_type(parser, basetype, &isfunc);
1918 ctx = parser_ctx(parser);
1919 var = ast_value_copy(typevar);
1922 ast_delete(typevar);
1923 parseerror(parser, "failed to create variable");
1927 if (parser->tok != TOKEN_IDENT) {
1928 parseerror(parser, "expected variable name");
1929 ast_value_delete(typevar);
1930 ast_value_delete(var);
1935 if (!localblock && (olddecl = parser_find_global(parser, parser_tokval(parser)))) {
1936 ast_value_delete(typevar);
1937 ast_value_delete(var);
1938 parseerror(parser, "global `%s` already declared here: %s:%i",
1939 parser_tokval(parser), ast_ctx(olddecl).file, (int)ast_ctx(olddecl).line);
1944 olddecl = parser_find_local(parser, parser_tokval(parser), parser->blocklocal, &isparam);
1945 if (opts_standard == COMPILER_GMQCC)
1950 ast_value_delete(typevar);
1951 ast_value_delete(var);
1952 parseerror(parser, "local `%s` already declared here: %s:%i",
1953 parser_tokval(parser), ast_ctx(olddecl).file, (int)ast_ctx(olddecl).line);
1958 if( (!isparam && olddecl) || (olddecl = parser_find_local(parser, parser_tokval(parser), 0, &isparam)) )
1960 if (parsewarning(parser, WARN_LOCAL_SHADOWS,
1961 "local `%s` is shadowing a parameter", parser_tokval(parser)))
1963 ast_value_delete(typevar);
1964 ast_value_delete(var);
1965 parseerror(parser, "local `%s` already declared here: %s:%i",
1966 parser_tokval(parser), ast_ctx(olddecl).file, (int)ast_ctx(olddecl).line);
1975 ast_value_delete(var);
1977 parsewarning(parser, WARN_LOCAL_SHADOWS,
1978 "a parameter is shadowing local `%s`", parser_tokval(parser)))
1980 ast_value_delete(typevar);
1981 ast_value_delete(var);
1986 parseerror(parser, "local `%s` already declared here: %s:%i",
1987 parser_tokval(parser), ast_ctx(olddecl).file, (int)ast_ctx(olddecl).line);
1988 ast_value_delete(typevar);
1989 ast_value_delete(var);
1998 if (!ast_value_set_name(var, parser_tokval(parser))) {
1999 parseerror(parser, "failed to set variable name\n");
2000 ast_value_delete(typevar);
2001 ast_value_delete(var);
2006 /* a function was defined */
2008 ast_value *proto = NULL;
2012 olddecl = parser_find_global(parser, parser_tokval(parser));
2014 olddecl = parser_find_local(parser, parser_tokval(parser), parser->blocklocal, &dummy);
2017 /* we had a prototype */
2018 if (!ast_istype(olddecl, ast_value)) {
2019 /* theoretically not possible you think?
2025 parseerror(parser, "cannot declare a function with the same name as a vector's member: %s",
2026 parser_tokval(parser));
2027 ast_value_delete(var);
2031 proto = (ast_value*)olddecl;
2034 /* turn var into a value of TYPE_FUNCTION, with the old var
2037 fval = ast_value_new(ctx, var->name, TYPE_FUNCTION);
2039 ast_value_delete(var);
2040 ast_value_delete(typevar);
2041 if (fval) ast_value_delete(fval);
2045 fval->expression.next = (ast_expression*)var;
2046 MEM_VECTOR_MOVE(&var->expression, params, &fval->expression, params);
2047 fval->expression.variadic = var->expression.variadic;
2049 /* we compare the type late here, but it's easier than
2050 * messing with the parameter-vector etc. earlier
2054 if (!ast_compare_type((ast_expression*)proto, (ast_expression*)fval)) {
2055 parseerror(parser, "conflicting types for `%s`, previous declaration was here: %s:%i",
2057 ast_ctx(proto).file, ast_ctx(proto).line);
2058 ast_value_delete(fval);
2059 ast_value_delete(typevar);
2062 /* copy over the parameter names */
2063 for (param = 0; param < fval->expression.params_count; ++param)
2064 ast_value_set_name(proto->expression.params[param], fval->expression.params[param]->name);
2065 /* copy the new context */
2066 ast_ctx(proto) = ast_ctx(fval);
2068 /* now ditch the rest of the new data */
2069 ast_value_delete(fval);
2078 varent.name = util_strdup(var->name);
2079 varent.var = (ast_expression*)var;
2080 if (var->expression.vtype == TYPE_VECTOR)
2082 varentry_t vx, vy, vz;
2083 if (!create_vector_members(parser, var, &vx, &vy, &vz)) {
2085 ast_value_delete(typevar);
2090 (void)!parser_t_globals_add(parser, varent);
2091 (void)!parser_t_globals_add(parser, vx);
2092 (void)!parser_t_globals_add(parser, vy);
2093 (void)!parser_t_globals_add(parser, vz);
2095 (void)!parser_t_locals_add(parser, varent);
2096 (void)!parser_t_locals_add(parser, vx);
2097 (void)!parser_t_locals_add(parser, vy);
2098 (void)!parser_t_locals_add(parser, vz);
2099 if (!ast_block_locals_add(localblock, var) ||
2100 !ast_block_collect(localblock, vx.var) ||
2101 !ast_block_collect(localblock, vy.var) ||
2102 !ast_block_collect(localblock, vz.var))
2104 parser_pop_local(parser);
2105 parser_pop_local(parser);
2106 parser_pop_local(parser);
2107 parser_pop_local(parser);
2108 ast_value_delete(var);
2109 ast_value_delete(typevar);
2116 if ( (!localblock && !parser_t_globals_add(parser, varent)) ||
2117 ( localblock && !parser_t_locals_add(parser, varent)) )
2119 ast_value_delete(var);
2120 ast_value_delete(typevar);
2123 if (localblock && !ast_block_locals_add(localblock, var))
2125 parser_pop_local(parser);
2126 ast_value_delete(var);
2127 ast_value_delete(typevar);
2134 if (!parser_next(parser)) {
2135 ast_value_delete(typevar);
2136 ast_value_delete(var);
2140 if (parser->tok == ';') {
2141 ast_value_delete(typevar);
2142 if (!parser_next(parser))
2147 if (parser->tok == ',') {
2149 if (!parser_next(parser)) {
2150 ast_delete(typevar);
2156 if (localblock && opts_standard == COMPILER_QCC) {
2157 if (parsewarning(parser, WARN_LOCAL_CONSTANTS,
2158 "initializing expression turns variable `%s` into a constant in this standard",
2161 ast_value_delete(typevar);
2166 if (parser->tok != '=') {
2167 ast_value_delete(typevar);
2168 parseerror(parser, "expected '=' or ';'");
2172 if (!parser_next(parser)) {
2173 ast_value_delete(typevar);
2177 if (parser->tok == '#') {
2181 parseerror(parser, "cannot declare builtins within functions");
2182 ast_value_delete(typevar);
2186 parseerror(parser, "unexpected builtin number, '%s' is not a function", var->name);
2187 ast_value_delete(typevar);
2190 if (!parser_next(parser)) {
2191 parseerror(parser, "expected builtin number");
2192 ast_value_delete(typevar);
2195 if (parser->tok != TOKEN_INTCONST) {
2196 parseerror(parser, "builtin number must be an integer constant");
2197 ast_value_delete(typevar);
2200 if (parser_token(parser)->constval.i <= 0) {
2201 parseerror(parser, "builtin number must be positive integer greater than zero");
2202 ast_value_delete(typevar);
2206 func = ast_function_new(ast_ctx(var), var->name, var);
2208 parseerror(parser, "failed to allocate function for `%s`", var->name);
2209 ast_value_delete(typevar);
2212 if (!parser_t_functions_add(parser, func)) {
2213 parseerror(parser, "failed to allocate slot for function `%s`", var->name);
2214 ast_function_delete(func);
2215 var->constval.vfunc = NULL;
2216 ast_value_delete(typevar);
2220 func->builtin = -parser_token(parser)->constval.i;
2222 if (!parser_next(parser)) {
2223 ast_value_delete(typevar);
2226 } else if (parser->tok == '{' || parser->tok == '[') {
2233 ast_expression *fld_think, *fld_nextthink, *fld_frame;
2234 ast_expression *gbl_time, *gbl_self;
2235 ast_expression *framenum, *nextthink;
2236 bool has_frame_think;
2238 has_frame_think = false;
2239 old = parser->function;
2241 if (var->expression.variadic) {
2242 if (parsewarning(parser, WARN_VARIADIC_FUNCTION,
2243 "variadic function with implementation will not be able to access additional parameters"))
2245 ast_value_delete(typevar);
2251 parseerror(parser, "cannot declare functions within functions");
2252 ast_value_delete(typevar);
2256 if (parser->tok == '[') {
2257 /* got a frame definition: [ framenum, nextthink ]
2258 * this translates to:
2259 * self.frame = framenum;
2260 * self.nextthink = time + 0.1;
2261 * self.think = nextthink;
2265 fld_think = parser_find_field(parser, "think");
2266 fld_nextthink = parser_find_field(parser, "nextthink");
2267 fld_frame = parser_find_field(parser, "frame");
2268 if (!fld_think || !fld_nextthink || !fld_frame) {
2269 parseerror(parser, "cannot use [frame,think] notation without the required fields");
2270 parseerror(parser, "please declare the following entityfields: `frame`, `think`, `nextthink`");
2271 ast_value_delete(typevar);
2274 gbl_time = parser_find_global(parser, "time");
2275 gbl_self = parser_find_global(parser, "self");
2276 if (!gbl_time || !gbl_self) {
2277 parseerror(parser, "cannot use [frame,think] notation without the required globals");
2278 parseerror(parser, "please declare the following globals: `time`, `self`");
2279 ast_value_delete(typevar);
2283 if (!parser_next(parser)) {
2284 ast_value_delete(typevar);
2288 framenum = parser_expression_leave(parser, true);
2290 parseerror(parser, "expected a framenumber constant in[frame,think] notation");
2291 ast_value_delete(typevar);
2294 if (!ast_istype(framenum, ast_value) || !( (ast_value*)framenum )->isconst) {
2295 ast_unref(framenum);
2296 parseerror(parser, "framenumber in [frame,think] notation must be a constant");
2299 if (parser->tok != ',') {
2300 ast_unref(framenum);
2301 parseerror(parser, "expected comma after frame number in [frame,think] notation");
2302 parseerror(parser, "Got a %i\n", parser->tok);
2303 ast_value_delete(typevar);
2307 if (!parser_next(parser)) {
2308 ast_unref(framenum);
2309 ast_value_delete(typevar);
2313 if (parser->tok == TOKEN_IDENT && !parser_find_var(parser, parser_tokval(parser)))
2315 /* qc allows the use of not-yet-declared functions here
2316 * - this automatically creates a prototype */
2318 ast_value *thinkfunc;
2319 ast_expression *functype = fld_think->expression.next;
2321 thinkfunc = ast_value_new(parser_ctx(parser), parser_tokval(parser), functype->expression.vtype);
2322 if (!thinkfunc || !ast_type_adopt(thinkfunc, functype)) {
2323 ast_unref(framenum);
2324 parseerror(parser, "failed to create implicit prototype for `%s`", parser_tokval(parser));
2325 ast_value_delete(typevar);
2329 if (!parser_next(parser)) {
2330 ast_unref(framenum);
2331 ast_value_delete(typevar);
2335 varent.var = (ast_expression*)thinkfunc;
2336 varent.name = util_strdup(thinkfunc->name);
2337 (void)!parser_t_globals_add(parser, varent);
2338 nextthink = (ast_expression*)thinkfunc;
2341 nextthink = parser_expression_leave(parser, true);
2343 ast_unref(framenum);
2344 parseerror(parser, "expected a think-function in [frame,think] notation");
2345 ast_value_delete(typevar);
2350 if (!ast_istype(nextthink, ast_value)) {
2351 ast_unref(nextthink);
2352 ast_unref(framenum);
2353 parseerror(parser, "think-function in [frame,think] notation must be a constant");
2356 if (parser->tok != ']') {
2357 parseerror(parser, "expected closing `]` for [frame,think] notation");
2358 ast_unref(nextthink);
2359 ast_unref(framenum);
2360 ast_value_delete(typevar);
2364 if (!parser_next(parser)) {
2365 ast_unref(nextthink);
2366 ast_unref(framenum);
2367 ast_value_delete(typevar);
2371 if (parser->tok != '{') {
2372 parseerror(parser, "a function body has to be declared after a [frame,think] declaration");
2373 ast_unref(nextthink);
2374 ast_unref(framenum);
2375 ast_value_delete(typevar);
2379 has_frame_think = true;
2382 block = ast_block_new(parser_ctx(parser));
2384 parseerror(parser, "failed to allocate block");
2385 ast_value_delete(typevar);
2389 if (has_frame_think) {
2391 ast_expression *self_frame;
2392 ast_expression *self_nextthink;
2393 ast_expression *self_think;
2394 ast_expression *time_plus_1;
2395 ast_store *store_frame;
2396 ast_store *store_nextthink;
2397 ast_store *store_think;
2399 ctx = parser_ctx(parser);
2400 self_frame = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_frame);
2401 self_nextthink = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_nextthink);
2402 self_think = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_think);
2404 time_plus_1 = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_F,
2405 gbl_time, (ast_expression*)parser_const_float(parser, 0.1));
2407 store_frame = ast_store_new(ctx, INSTR_STOREP_F, self_frame, framenum);
2408 store_nextthink = ast_store_new(ctx, INSTR_STOREP_F, self_nextthink, time_plus_1);
2409 store_think = ast_store_new(ctx, INSTR_STOREP_FNC, self_think, nextthink);
2411 if (!ast_block_exprs_add(block, (ast_expression*)store_frame) ||
2412 !ast_block_exprs_add(block, (ast_expression*)store_nextthink) ||
2413 !ast_block_exprs_add(block, (ast_expression*)store_think) )
2415 parseerror(parser, "failed to generate code for [frame,think]");
2416 ast_block_delete(block);
2417 ast_value_delete(typevar);
2422 for (parami = 0; parami < var->expression.params_count; ++parami) {
2423 ast_value *param = var->expression.params[parami];
2424 varentry_t vx, vy, vz;
2426 if (param->expression.vtype != TYPE_VECTOR &&
2427 (param->expression.vtype != TYPE_FIELD ||
2428 param->expression.next->expression.vtype != TYPE_VECTOR))
2433 if (!create_vector_members(parser, param, &vx, &vy, &vz)) {
2434 ast_block_delete(block);
2435 ast_value_delete(typevar);
2439 (void)!parser_t_locals_add(parser, vx);
2440 (void)!parser_t_locals_add(parser, vy);
2441 (void)!parser_t_locals_add(parser, vz);
2442 if (!ast_block_collect(block, vx.var) ||
2443 !ast_block_collect(block, vy.var) ||
2444 !ast_block_collect(block, vz.var) )
2446 parser_pop_local(parser);
2447 parser_pop_local(parser);
2448 parser_pop_local(parser);
2449 ast_block_delete(block);
2450 ast_value_delete(typevar);
2455 func = ast_function_new(ast_ctx(var), var->name, var);
2457 parseerror(parser, "failed to allocate function for `%s`", var->name);
2458 ast_block_delete(block);
2459 parser->function = old;
2460 ast_value_delete(typevar);
2463 if (!parser_t_functions_add(parser, func)) {
2464 parseerror(parser, "failed to allocate slot for function `%s`", var->name);
2465 ast_function_delete(func);
2466 var->constval.vfunc = NULL;
2467 ast_value_delete(typevar);
2468 ast_block_delete(block);
2469 parser->function = old;
2473 parser->function = func;
2474 if (!parser_parse_block_into(parser, block, true)) {
2475 ast_block_delete(block);
2476 parser->function = old;
2477 ast_value_delete(typevar);
2480 parser->function = old;
2481 while (parser->locals_count)
2482 parser_pop_local(parser);
2485 ast_value_delete(typevar);
2489 if (!ast_function_blocks_add(func, block)) {
2490 ast_block_delete(block);
2491 ast_value_delete(typevar);
2495 if (parser->tok == ';') {
2496 ast_value_delete(typevar);
2497 return parser_next(parser) || parser->tok == TOKEN_EOF;
2499 else if (opts_standard == COMPILER_QCC)
2500 parseerror(parser, "missing semicolon after function body (mandatory with -std=qcc)");
2501 ast_value_delete(typevar);
2504 ast_expression *cexp;
2507 cexp = parser_expression_leave(parser, true);
2508 cval = (ast_value*)cexp;
2509 if (!ast_istype(cval, ast_value) || !cval->isconst)
2510 parseerror(parser, "cannot initialize a global constant variable with a non-constant expression");
2513 var->isconst = true;
2514 if (cval->expression.vtype == TYPE_STRING)
2515 var->constval.vstring = parser_strdup(cval->constval.vstring);
2517 memcpy(&var->constval, &cval->constval, sizeof(var->constval));
2522 if (parser->tok == ',') {
2527 if (parser->tok != ';') {
2528 parseerror(parser, "missing semicolon");
2529 ast_value_delete(typevar);
2533 (void)parser_next(parser);
2535 ast_value_delete(typevar);
2540 static bool parser_do(parser_t *parser)
2542 if (parser->tok == TOKEN_TYPENAME)
2544 return parser_variable(parser, NULL);
2546 else if (parser->tok == TOKEN_KEYWORD)
2548 /* handle 'var' and 'const' */
2551 else if (parser->tok == '.')
2556 ast_expression *oldex;
2557 bool isfunc = false;
2559 lex_ctx ctx = parser_ctx(parser);
2562 /* entity-member declaration */
2563 if (!parser_next(parser) || parser->tok != TOKEN_TYPENAME) {
2564 parseerror(parser, "expected member variable definition");
2568 /* remember the base/return type */
2569 basetype = parser_token(parser)->constval.t;
2571 /* parse into the declaration */
2572 if (!parser_next(parser)) {
2573 parseerror(parser, "expected field definition");
2577 /* parse the field type fully */
2578 typevar = var = parser_parse_type(parser, basetype, &isfunc);
2583 var = ast_value_copy(typevar);
2584 /* now the field name */
2585 if (parser->tok != TOKEN_IDENT) {
2586 parseerror(parser, "expected field name");
2591 /* check for an existing field
2592 * in original qc we also have to check for an existing
2593 * global named like the field
2595 if (opts_standard == COMPILER_QCC) {
2596 if (parser_find_global(parser, parser_tokval(parser))) {
2597 parseerror(parser, "cannot declare a field and a global of the same name with -std=qcc");
2605 fval = ast_value_new(ctx, var->name, TYPE_FUNCTION);
2607 ast_value_delete(var);
2610 fval->expression.next = (ast_expression*)var;
2611 MEM_VECTOR_MOVE(&var->expression, params, &fval->expression, params);
2612 fval->expression.variadic = var->expression.variadic;
2616 /* turn it into a field */
2617 fld = ast_value_new(ctx, parser_tokval(parser), TYPE_FIELD);
2618 fld->expression.next = (ast_expression*)var;
2620 if ( (oldex = parser_find_field(parser, parser_tokval(parser)))) {
2621 if (ast_istype(oldex, ast_member)) {
2622 parseerror(parser, "cannot declare a field with the same name as a vector component, component %s has been declared here: %s:%i",
2623 parser_tokval(parser), ast_ctx(oldex).file, (int)ast_ctx(oldex).line);
2627 if (!ast_istype(oldex, ast_value)) {
2628 /* not possible / sanity check */
2629 parseerror(parser, "internal error: %s is not an ast_value", parser_tokval(parser));
2634 if (!ast_compare_type(oldex, (ast_expression*)fld)) {
2635 parseerror(parser, "field %s has previously been declared with a different type here: %s:%i",
2636 parser_tokval(parser), ast_ctx(oldex).file, (int)ast_ctx(oldex).line);
2640 if (parsewarning(parser, WARN_FIELD_REDECLARED, "field `%s` has already been declared here: %s:%i",
2641 parser_tokval(parser), ast_ctx(oldex).file, (int)ast_ctx(oldex).line))
2652 varent.var = (ast_expression*)fld;
2653 varent.name = util_strdup(fld->name);
2654 (void)!parser_t_fields_add(parser, varent);
2656 if (var->expression.vtype == TYPE_VECTOR)
2658 /* create _x, _y and _z fields as well */
2659 varentry_t vx, vy, vz;
2660 if (!create_vector_members(parser, fld, &vx, &vy, &vz)) {
2664 (void)!parser_t_fields_add(parser, vx);
2665 (void)!parser_t_fields_add(parser, vy);
2666 (void)!parser_t_fields_add(parser, vz);
2670 if (!parser_next(parser)) {
2671 parseerror(parser, "expected semicolon or another field name");
2674 if (parser->tok == ';')
2676 if (parser->tok != ',' || !parser_next(parser)) {
2677 parseerror(parser, "expected semicolon or another field name");
2681 ast_delete(typevar);
2683 /* skip the semicolon */
2684 if (!parser_next(parser))
2685 return parser->tok == TOKEN_EOF;
2689 else if (parser->tok == '$')
2691 if (!parser_next(parser)) {
2692 parseerror(parser, "parse error");
2698 parseerror(parser, "unexpected token: %s", parser->lex->tok->value);
2704 static parser_t *parser;
2708 parser = (parser_t*)mem_a(sizeof(parser_t));
2712 memset(parser, 0, sizeof(*parser));
2716 bool parser_compile(const char *filename)
2718 parser->lex = lex_open(filename);
2720 printf("failed to open file \"%s\"\n", filename);
2724 /* initial lexer/parser state */
2725 parser->lex->flags.noops = true;
2727 if (parser_next(parser))
2729 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
2731 if (!parser_do(parser)) {
2732 if (parser->tok == TOKEN_EOF)
2733 parseerror(parser, "unexpected eof");
2734 else if (!parser->errors)
2735 parseerror(parser, "parse error");
2736 lex_close(parser->lex);
2742 parseerror(parser, "parse error");
2743 lex_close(parser->lex);
2748 lex_close(parser->lex);
2751 return !parser->errors;
2754 void parser_cleanup()
2757 for (i = 0; i < parser->functions_count; ++i) {
2758 ast_delete(parser->functions[i]);
2760 for (i = 0; i < parser->imm_vector_count; ++i) {
2761 ast_delete(parser->imm_vector[i]);
2763 for (i = 0; i < parser->imm_string_count; ++i) {
2764 ast_delete(parser->imm_string[i]);
2766 for (i = 0; i < parser->imm_float_count; ++i) {
2767 ast_delete(parser->imm_float[i]);
2769 for (i = 0; i < parser->fields_count; ++i) {
2770 ast_delete(parser->fields[i].var);
2771 mem_d(parser->fields[i].name);
2773 for (i = 0; i < parser->globals_count; ++i) {
2774 ast_delete(parser->globals[i].var);
2775 mem_d(parser->globals[i].name);
2777 MEM_VECTOR_CLEAR(parser, functions);
2778 MEM_VECTOR_CLEAR(parser, imm_vector);
2779 MEM_VECTOR_CLEAR(parser, imm_string);
2780 MEM_VECTOR_CLEAR(parser, imm_float);
2781 MEM_VECTOR_CLEAR(parser, globals);
2782 MEM_VECTOR_CLEAR(parser, fields);
2783 MEM_VECTOR_CLEAR(parser, locals);
2788 bool parser_finish(const char *output)
2793 if (!parser->errors)
2795 ir = ir_builder_new("gmqcc_out");
2797 printf("failed to allocate builder\n");
2801 for (i = 0; i < parser->fields_count; ++i) {
2804 if (!ast_istype(parser->fields[i].var, ast_value))
2806 field = (ast_value*)parser->fields[i].var;
2807 isconst = field->isconst;
2808 field->isconst = false;
2809 if (!ast_global_codegen((ast_value*)field, ir)) {
2810 printf("failed to generate field %s\n", field->name);
2811 ir_builder_delete(ir);
2816 ast_expression *subtype;
2817 field->isconst = true;
2818 subtype = field->expression.next;
2819 ifld = ir_builder_create_field(ir, field->name, subtype->expression.vtype);
2820 if (subtype->expression.vtype == TYPE_FIELD)
2821 ifld->fieldtype = subtype->expression.next->expression.vtype;
2822 else if (subtype->expression.vtype == TYPE_FUNCTION)
2823 ifld->outtype = subtype->expression.next->expression.vtype;
2824 (void)!ir_value_set_field(field->ir_v, ifld);
2827 for (i = 0; i < parser->globals_count; ++i) {
2828 if (!ast_istype(parser->globals[i].var, ast_value))
2830 if (!ast_global_codegen((ast_value*)(parser->globals[i].var), ir)) {
2831 printf("failed to generate global %s\n", parser->globals[i].name);
2832 ir_builder_delete(ir);
2836 for (i = 0; i < parser->imm_float_count; ++i) {
2837 if (!ast_global_codegen(parser->imm_float[i], ir)) {
2838 printf("failed to generate global %s\n", parser->imm_float[i]->name);
2839 ir_builder_delete(ir);
2843 for (i = 0; i < parser->imm_string_count; ++i) {
2844 if (!ast_global_codegen(parser->imm_string[i], ir)) {
2845 printf("failed to generate global %s\n", parser->imm_string[i]->name);
2846 ir_builder_delete(ir);
2850 for (i = 0; i < parser->imm_vector_count; ++i) {
2851 if (!ast_global_codegen(parser->imm_vector[i], ir)) {
2852 printf("failed to generate global %s\n", parser->imm_vector[i]->name);
2853 ir_builder_delete(ir);
2857 for (i = 0; i < parser->functions_count; ++i) {
2858 if (!ast_function_codegen(parser->functions[i], ir)) {
2859 printf("failed to generate function %s\n", parser->functions[i]->name);
2860 ir_builder_delete(ir);
2863 if (!ir_function_finalize(parser->functions[i]->ir_func)) {
2864 printf("failed to finalize function %s\n", parser->functions[i]->name);
2865 ir_builder_delete(ir);
2871 ir_builder_dump(ir, printf);
2873 if (!ir_builder_generate(ir, output)) {
2874 printf("*** failed to generate output file\n");
2875 ir_builder_delete(ir);
2879 ir_builder_delete(ir);
2883 printf("*** there were compile errors\n");