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collect vector-member locals in ast_block->collect, like a garbage collection...

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Wolfgang (Blub) Bumiller 2012-08-18 16:24:26 +02:00
parent 897bd5727e
commit 68e4a937f2
3 changed files with 24 additions and 6 deletions
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4
ast.c
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@ -562,10 +562,14 @@ ast_block* ast_block_new(lex_ctx ctx)
} }
MEM_VEC_FUNCTIONS(ast_block, ast_value*, locals) MEM_VEC_FUNCTIONS(ast_block, ast_value*, locals)
MEM_VEC_FUNCTIONS(ast_block, ast_expression*, exprs) MEM_VEC_FUNCTIONS(ast_block, ast_expression*, exprs)
MEM_VEC_FUNCTIONS(ast_block, ast_expression*, collect)
void ast_block_delete(ast_block *self) void ast_block_delete(ast_block *self)
{ {
size_t i; size_t i;
for (i = 0; i < self->collect_count; ++i)
ast_unref(self->collect[i]);
MEM_VECTOR_CLEAR(self, collect);
for (i = 0; i < self->exprs_count; ++i) for (i = 0; i < self->exprs_count; ++i)
ast_unref(self->exprs[i]); ast_unref(self->exprs[i]);
MEM_VECTOR_CLEAR(self, exprs); MEM_VECTOR_CLEAR(self, exprs);

2
ast.h
View file

@ -427,6 +427,7 @@ struct ast_block_s
MEM_VECTOR_MAKE(ast_value*, locals); MEM_VECTOR_MAKE(ast_value*, locals);
MEM_VECTOR_MAKE(ast_expression*, exprs); MEM_VECTOR_MAKE(ast_expression*, exprs);
MEM_VECTOR_MAKE(ast_expression*, collect);
}; };
ast_block* ast_block_new(lex_ctx ctx); ast_block* ast_block_new(lex_ctx ctx);
void ast_block_delete(ast_block*); void ast_block_delete(ast_block*);
@ -434,6 +435,7 @@ bool ast_block_set_type(ast_block*, ast_expression *from);
MEM_VECTOR_PROTO(ast_block, ast_value*, locals); MEM_VECTOR_PROTO(ast_block, ast_value*, locals);
MEM_VECTOR_PROTO(ast_block, ast_expression*, exprs); MEM_VECTOR_PROTO(ast_block, ast_expression*, exprs);
MEM_VECTOR_PROTO(ast_block, ast_expression*, collect);
bool ast_block_codegen(ast_block*, ast_function*, bool lvalue, ir_value**); bool ast_block_codegen(ast_block*, ast_function*, bool lvalue, ir_value**);

24
parser.c
View file

@ -1888,6 +1888,18 @@ static bool parser_variable(parser_t *parser, ast_block *localblock)
(void)!parser_t_locals_add(parser, vx); (void)!parser_t_locals_add(parser, vx);
(void)!parser_t_locals_add(parser, vy); (void)!parser_t_locals_add(parser, vy);
(void)!parser_t_locals_add(parser, vz); (void)!parser_t_locals_add(parser, vz);
if (!ast_block_locals_add(localblock, var) ||
!ast_block_collect_add(localblock, vx.var) ||
!ast_block_collect_add(localblock, vy.var) ||
!ast_block_collect_add(localblock, vz.var))
{
parser_pop_local(parser);
parser_pop_local(parser);
parser_pop_local(parser);
parser_pop_local(parser);
ast_value_delete(var);
return false;
}
} }
} }
else else
@ -1898,12 +1910,12 @@ static bool parser_variable(parser_t *parser, ast_block *localblock)
ast_value_delete(var); ast_value_delete(var);
return false; return false;
} }
} if (localblock && !ast_block_locals_add(localblock, var))
if (localblock && !ast_block_locals_add(localblock, var)) {
{ parser_pop_local(parser);
parser_pop_local(parser); ast_value_delete(var);
ast_value_delete(var); return false;
return false; }
} }
if (!parser_next(parser)) { if (!parser_next(parser)) {