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'nil' global with -funtyped-nil

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This commit is contained in:
Wolfgang Bumiller 2012-12-28 18:16:19 +01:00
parent 40b2a26e89
commit 2e0216b7c6
2 changed files with 17 additions and 5 deletions
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1
opts.def
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@ -46,6 +46,7 @@
GMQCC_DEFINE_FLAG(UTF8)
GMQCC_DEFINE_FLAG(BAIL_ON_WERROR)
GMQCC_DEFINE_FLAG(LOOP_LABELS)
GMQCC_DEFINE_FLAG(UNTYPED_NIL)
#endif
/* warning flags */

21
parser.c
View file

@ -51,6 +51,7 @@ typedef struct {
ast_value *imm_float_zero;
ast_value *imm_float_one;
ast_value *imm_vector_zero;
ast_value *nil;
size_t crc_globals;
size_t crc_fields;
@ -759,10 +760,11 @@ static bool parser_sy_apply_operator(parser_t *parser, shunt *sy)
break;
case opid1('*'):
if (exprs[0]->expression.vtype != exprs[1]->expression.vtype &&
exprs[0]->expression.vtype != TYPE_VECTOR &&
exprs[0]->expression.vtype != TYPE_FLOAT &&
exprs[1]->expression.vtype != TYPE_VECTOR &&
exprs[1]->expression.vtype != TYPE_FLOAT)
!(exprs[0]->expression.vtype == TYPE_VECTOR &&
exprs[1]->expression.vtype == TYPE_FLOAT) &&
!(exprs[1]->expression.vtype == TYPE_VECTOR &&
exprs[0]->expression.vtype == TYPE_FLOAT)
)
{
parseerror(parser, "invalid types used in expression: cannot multiply types %s and %s",
type_name[exprs[1]->expression.vtype],
@ -1013,7 +1015,9 @@ static bool parser_sy_apply_operator(parser_t *parser, shunt *sy)
ast_type_to_string(exprs[1], ty2, sizeof(ty2));
parseerror(parser, "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
}
else if (!ast_compare_type(exprs[0], exprs[1])) {
else if (exprs[1]->expression.vtype != TYPE_NIL &&
!ast_compare_type(exprs[0], exprs[1]))
{
ast_type_to_string(exprs[0], ty1, sizeof(ty1));
ast_type_to_string(exprs[1], ty2, sizeof(ty2));
if (OPTS_FLAG(ASSIGN_FUNCTION_TYPES) &&
@ -4906,6 +4910,7 @@ static parser_t *parser;
bool parser_init()
{
lex_ctx empty_ctx;
size_t i;
parser = (parser_t*)mem_a(sizeof(parser_t));
@ -4930,6 +4935,12 @@ bool parser_init()
vec_push(parser->variables, parser->htglobals = util_htnew(PARSER_HT_SIZE));
vec_push(parser->typedefs, util_htnew(TYPEDEF_HT_SIZE));
vec_push(parser->_blocktypedefs, 0);
empty_ctx.file = "<internal>";
empty_ctx.line = 0;
parser->nil = ast_value_new(empty_ctx, "nil", TYPE_NIL);
if (OPTS_FLAG(UNTYPED_NIL))
util_htset(parser->htglobals, "nil", (void*)parser->nil);
return true;
}