mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-23 04:42:32 +00:00
various memory saving tricks. seems to have not broken anything
This commit is contained in:
Bill Currie
parent
4e467ac8df
commit
001571e25a
12 changed files with 140 additions and 103 deletions
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@ -36,12 +36,12 @@
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typedef struct function_s {
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struct function_s *next;
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dfunction_t *dfunc;
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pr_auxfunction_t *aux; // debug info;
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int builtin; // if non 0, call an internal function
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int code; // first statement
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int function_num;
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const char *file; // source file with definition
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string_t s_file; // source file with definition
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string_t s_name;
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int file_line;
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struct def_s *def;
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struct scope_s *scope;
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@ -67,10 +67,11 @@ param_t *_reverse_params (param_t *params, param_t *next);
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param_t *reverse_params (param_t *params);
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struct type_s *parse_params (struct type_s *type, param_t *params);
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void build_scope (function_t *f, struct def_s *func, param_t *params);
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function_t *new_function (void);
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function_t *new_function (const char *name);
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function_t *build_builtin_function (struct def_s *def, struct expr_s *bi_val);
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void build_function (function_t *f);
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void finish_function (function_t *f);
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void emit_function (function_t *f, struct expr_s *e);
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int function_parms (function_t *f, byte *parm_size);
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#endif//__function_h
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@ -92,6 +92,8 @@ extern string_t s_file; // filename for function definition
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const char *strip_path (const char *filename);
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const char *save_string (const char *str);
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#define ALLOC(s, t, n, v) \
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do { \
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if (!free_##n) { \
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@ -475,7 +475,7 @@ class_finish_module (void)
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exec_class_def = get_def (&type_obj_exec_class, "__obj_exec_class",
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pr.scope, 1);
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exec_class_func = new_function ();
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exec_class_func = new_function ("__obj_exec_class");
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exec_class_func->builtin = 0;
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exec_class_func->def = exec_class_def;
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exec_class_func->refs = new_reloc (exec_class_def->ofs, rel_def_func);
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@ -483,7 +483,7 @@ class_finish_module (void)
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finish_function (exec_class_func);
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init_def = get_def (&type_function, ".ctor", pr.scope, 1);
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init_func = new_function ();
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init_func = new_function (".ctor");
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init_func->def = init_def;
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init_func->refs = new_reloc (init_def->ofs, rel_def_func);
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init_func->code = pr.num_statements;
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@ -134,9 +134,10 @@ static void
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vector_component (def_t *vec, int comp, scope_t *scope)
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{
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def_t *d;
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const char *name;
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d = new_def (&type_float, va (vector_component_names[comp], vec->name),
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scope);
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name = save_string (va (vector_component_names[comp], vec->name));
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d = new_def (&type_float, name, scope);
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d->used = 1;
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d->parent = vec;
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d->ofs = vec->ofs + comp;
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@ -147,9 +148,10 @@ static void
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vector_field_component (def_t *vec, int comp, scope_t *scope)
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{
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def_t *d;
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const char *name;
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d = new_def (&type_floatfield, va (vector_component_names[comp], vec->name),
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scope);
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name = save_string (va (vector_component_names[comp], vec->name));
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d = new_def (&type_floatfield, name, scope);
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d->used = 1; // always `used'
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d->parent = vec;
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d->ofs = vec->ofs + comp;
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@ -217,7 +219,7 @@ new_def (type_t *type, const char *name, scope_t *scope)
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def->return_addr = __builtin_return_address (0);
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def->name = name ? strdup (name) : 0;
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def->name = name;
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def->type = type;
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def->scope = scope;
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@ -669,21 +669,20 @@ print_expr (expr_t *e)
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static expr_t *
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do_op_string (int op, expr_t *e1, expr_t *e2)
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{
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int len;
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char *buf;
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const char *s1, *s2;
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static dstring_t *temp_str;
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s1 = e1->e.string_val ? e1->e.string_val : "";
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s2 = e2->e.string_val ? e2->e.string_val : "";
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switch (op) {
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case '+':
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len = strlen (s1) + strlen (s2) + 1;
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buf = malloc (len);
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SYS_CHECKMEM (buf);
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strcpy (buf, s1);
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strcat (buf, s2);
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e1->e.string_val = buf;
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if (!temp_str)
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temp_str = dstring_newstr ();
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dstring_clearstr (temp_str);
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dstring_appendstr (temp_str, s1);
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dstring_appendstr (temp_str, s2);
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e1->e.string_val = save_string (temp_str->str);
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break;
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case LT:
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e1->type = ex_integer;
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@ -54,11 +54,15 @@ static const char rcsid[] =
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#include "reloc.h"
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#include "type.h"
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static param_t *free_params;
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static function_t *free_functions;
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param_t *
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new_param (const char *selector, type_t *type, const char *name)
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{
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param_t *param = malloc (sizeof (param_t));
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param_t *param;
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ALLOC (4096, param_t, params, param);
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param->next = 0;
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param->selector = selector;
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param->type = type;
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@ -165,14 +169,17 @@ build_scope (function_t *f, def_t *func, param_t *params)
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}
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function_t *
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new_function (void)
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new_function (const char *name)
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{
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function_t *f;
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f = calloc (1, sizeof (function_t));
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ALLOC (1024, function_t, functions, f);
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*pr.func_tail = f;
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pr.func_tail = &f->next;
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f->function_num = pr.num_functions++;
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f->s_name = ReuseString (name);
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f->s_file = s_file;
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return f;
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}
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@ -191,7 +198,7 @@ build_builtin_function (def_t *def, expr_t *bi_val)
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return 0;
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}
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f = new_function ();
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f = new_function (def->name);
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f->builtin = bi_val->type == ex_integer ? bi_val->e.integer_val
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: (int)bi_val->e.float_val;
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@ -213,28 +220,6 @@ build_function (function_t *f)
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void
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finish_function (function_t *f)
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{
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dfunction_t *df;
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int i, count;
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df = calloc (1, sizeof (dfunction_t));
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f->dfunc = df;
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if (f->builtin)
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df->first_statement = -f->builtin;
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else
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df->first_statement = f->code;
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df->s_name = ReuseString (f->def->name);
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df->s_file = s_file;
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df->numparms = f->def->type->num_parms;
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if (f->scope)
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df->locals = f->scope->space->size;
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df->parm_start = 0;
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if ((count = df->numparms) < 0)
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count = -count - 1;
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for (i = 0; i < count; i++)
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df->parm_size[i] = type_size (f->def->type->parm_types[i]);
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if (f->aux) {
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def_t *def;
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f->aux->function = f->function_num;
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@ -275,3 +260,18 @@ emit_function (function_t *f, expr_t *e)
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//puts ("");
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}
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int
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function_parms (function_t *f, byte *parm_size)
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{
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int count, i;
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if (f->def->type->num_parms >= 0)
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count = f->def->type->num_parms;
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else
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count = -f->def->type->num_parms - 1;
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for (i = 0; i < count; i++)
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parm_size[i] = type_size (f->def->type->parm_types[i]);
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return f->def->type->num_parms;
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}
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@ -166,8 +166,8 @@ setup_data (void)
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for (d = pr.scope->head; d; d = d->def_next)
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write_def (d, def++, &reloc);
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for (f = pr.func_head; f; f = f->next) {
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func->name = LittleLong (f->dfunc->s_name);
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func->file = LittleLong (f->dfunc->s_file);
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func->name = LittleLong (f->s_name);
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func->file = LittleLong (f->s_file);
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func->line = LittleLong (f->def->line);
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func->builtin = LittleLong (f->builtin);
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func->code = LittleLong (f->code);
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@ -182,8 +182,7 @@ setup_data (void)
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func->num_local_defs = LittleLong (f->scope->num_defs);
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if (f->aux)
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func->line_info = LittleLong (f->aux->line_info);
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func->num_parms = LittleLong (f->dfunc->numparms);
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memcpy (func->parm_size, f->dfunc->parm_size, MAX_PARMS);
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func->num_parms = LittleLong (function_parms (f, func->parm_size));
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func->relocs = LittleLong (reloc - relocs);
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write_relocs (f->refs, &reloc);
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@ -43,8 +43,10 @@ static const char rcsid[] =
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#include <stdlib.h>
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#include <ctype.h>
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#include <QF/dstring.h>
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#include <QF/hash.h>
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#include <QF/sys.h>
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#include "qfcc.h"
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#include "expr.h"
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#include "class.h"
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@ -62,7 +64,7 @@ int do_grab (char *token);
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void add_frame_macro (char *token);
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char *make_string (char *token);
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const char *make_string (char *token);
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extern YYSTYPE yylval;
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extern int element_flag;
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@ -136,18 +138,18 @@ m ([\-+]?)
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}
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'(\\[^xX0-7\r\n]|[^'\r\n]|\\[xX][0-9A-Fa-f]+|\\[0-7]+)*' {
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char *str = make_string (yytext);
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const char *str = make_string (yytext);
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if (str[1])
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warning (0, "multibyte char constant");
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yylval.integer_val = *str;
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free (str);
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return INT_VAL;
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}
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^#{s}+{DIGIT}+{s}+\"(\.|[^"\n])*\".*$ {
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char *p;
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char *s;
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const char *str;
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int line;
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p = yytext + 1;
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@ -157,12 +159,11 @@ m ([\-+]?)
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p++;
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if (!*p)
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error (0, "Unexpected end of file");
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s = make_string (p); // grab the filename
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str = make_string (p); // grab the filename
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while (*p && *p != '\n') // ignore flags
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p++;
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pr_source_line = line - 1;
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s_file = ReuseString (strip_path (s));
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free (s);
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s_file = ReuseString (strip_path (str));
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}
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[+\-*/&|^%]= {
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@ -335,7 +336,7 @@ type_or_name (char *token)
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yylval.type = type;
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return TYPE;
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}
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yylval.string_val = strdup (token);
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yylval.string_val = save_string (token);
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return NAME;
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}
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@ -369,7 +370,6 @@ static void
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frame_free (void *_f, void *unused)
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{
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frame_t *f = (frame_t *)_f;
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free ((char*)f->name);
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f->next = free_frames;
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free_frames = f;
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}
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@ -412,7 +412,7 @@ add_frame_macro (char *token)
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frame_t *frame;
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ALLOC (1024, frame_t, frames, frame);
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frame->name = strdup (token);
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frame->name = save_string (token);
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frame->num = frame_number++;
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Hash_Add (frame_tab, frame);
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}
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@ -425,18 +425,22 @@ clear_frame_macros (void)
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Hash_FlushTable (frame_tab);
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}
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char *
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const char *
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make_string (char *token)
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{
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char *str, *s;
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char s[2];
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int c;
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int i;
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int mask;
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int boldnext;
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int quote;
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static dstring_t *str;
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s = str = malloc (strlen (token) + 1);
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SYS_CHECKMEM (str);
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if (!str)
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str = dstring_newstr ();
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dstring_clearstr (str);
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s[1] = 0;
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mask = 0x00;
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boldnext = 0;
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@ -574,17 +578,17 @@ make_string (char *token)
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break;
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}
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} else if (c == quote) {
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*s++ = 0;
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break;;
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}
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if (boldnext)
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c = c ^ 0x80;
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boldnext = 0;
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c = c ^ mask;
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*s++ = c;
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s[0] = c;
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dstring_appendstr (str, s);
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} while (1);
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return str;
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return save_string (str->str);
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}
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static void *(*const yy_flex_realloc_hack)(void *,yy_size_t) = yy_flex_realloc;
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@ -96,7 +96,7 @@ void free_local_inits (hashtab_t *def_list);
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expr_t *expr;
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int integer_val;
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float float_val;
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char *string_val;
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const char *string_val;
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float vector_val[3];
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float quaternion_val[4];
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struct function_s *function;
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@ -479,7 +479,7 @@ opt_comma
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begin_function
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: /*empty*/
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{
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$$ = current_func = new_function ();
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$$ = current_func = new_function (current_def->name);
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$$->def = current_def;
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$$->refs = new_reloc ($$->def->ofs, rel_def_func);
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$$->code = pr.num_statements;
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@ -1204,29 +1204,29 @@ keywordselector
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selector
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: NAME
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| TYPE { $$ = strdup (yytext); }
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| TYPE { $$ = save_string (yytext); }
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| reserved_word
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;
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reserved_word
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: LOCAL { $$ = strdup (yytext); }
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| RETURN { $$ = strdup (yytext); }
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| WHILE { $$ = strdup (yytext); }
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| DO { $$ = strdup (yytext); }
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| IF { $$ = strdup (yytext); }
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| ELSE { $$ = strdup (yytext); }
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| FOR { $$ = strdup (yytext); }
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| BREAK { $$ = strdup (yytext); }
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| CONTINUE { $$ = strdup (yytext); }
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| SWITCH { $$ = strdup (yytext); }
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| CASE { $$ = strdup (yytext); }
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| DEFAULT { $$ = strdup (yytext); }
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| NIL { $$ = strdup (yytext); }
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| STRUCT { $$ = strdup (yytext); }
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| UNION { $$ = strdup (yytext); }
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| ENUM { $$ = strdup (yytext); }
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| TYPEDEF { $$ = strdup (yytext); }
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| SUPER { $$ = strdup (yytext); }
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: LOCAL { $$ = save_string (yytext); }
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| RETURN { $$ = save_string (yytext); }
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| WHILE { $$ = save_string (yytext); }
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| DO { $$ = save_string (yytext); }
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| IF { $$ = save_string (yytext); }
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| ELSE { $$ = save_string (yytext); }
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| FOR { $$ = save_string (yytext); }
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| BREAK { $$ = save_string (yytext); }
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| CONTINUE { $$ = save_string (yytext); }
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| SWITCH { $$ = save_string (yytext); }
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| CASE { $$ = save_string (yytext); }
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| DEFAULT { $$ = save_string (yytext); }
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| NIL { $$ = save_string (yytext); }
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| STRUCT { $$ = save_string (yytext); }
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| UNION { $$ = save_string (yytext); }
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| ENUM { $$ = save_string (yytext); }
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| TYPEDEF { $$ = save_string (yytext); }
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| SUPER { $$ = save_string (yytext); }
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;
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keyworddecl
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|
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@ -98,6 +98,27 @@ const char *big_function = 0;
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ddef_t *fields;
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int numfielddefs;
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|
||||
hashtab_t *saved_strings;
|
||||
|
||||
static const char *
|
||||
ss_get_key (void *s, void *unused)
|
||||
{
|
||||
return (const char *)s;
|
||||
}
|
||||
|
||||
const char *
|
||||
save_string (const char *str)
|
||||
{
|
||||
char *s;
|
||||
if (!saved_strings)
|
||||
saved_strings = Hash_NewTable (16381, ss_get_key, 0, 0);
|
||||
s = Hash_Find (saved_strings, str);
|
||||
if (s)
|
||||
return s;
|
||||
s = strdup (str);
|
||||
Hash_Add (saved_strings, s);
|
||||
return s;
|
||||
}
|
||||
|
||||
void
|
||||
InitData (void)
|
||||
|
|
@ -134,8 +155,8 @@ WriteData (int crc)
|
|||
FILE *h;
|
||||
int i;
|
||||
|
||||
globals = calloc (pr.scope->num_defs, sizeof (ddef_t));
|
||||
fields = calloc (pr.scope->num_defs, sizeof (ddef_t));
|
||||
globals = calloc (pr.scope->num_defs + 1, sizeof (ddef_t));
|
||||
fields = calloc (pr.scope->num_defs + 1, sizeof (ddef_t));
|
||||
|
||||
for (def = pr.scope->head; def; def = def->def_next) {
|
||||
if (!def->global || !def->name)
|
||||
|
|
@ -192,20 +213,17 @@ WriteData (int crc)
|
|||
SafeWrite (h, pr.statements, pr.num_statements * sizeof (dstatement_t));
|
||||
|
||||
{
|
||||
function_t *f;
|
||||
dfunction_t *df;
|
||||
|
||||
progs.ofs_functions = ftell (h);
|
||||
progs.numfunctions = pr.num_functions;
|
||||
pr.functions = malloc (pr.num_functions * sizeof (dfunction_t));
|
||||
for (i = 1, f = pr.func_head; f; i++, f = f->next) {
|
||||
pr.functions[i].first_statement =
|
||||
LittleLong (f->dfunc->first_statement);
|
||||
pr.functions[i].parm_start = LittleLong (f->dfunc->parm_start);
|
||||
pr.functions[i].s_name = LittleLong (f->dfunc->s_name);
|
||||
pr.functions[i].s_file = LittleLong (f->dfunc->s_file);
|
||||
pr.functions[i].numparms = LittleLong (f->dfunc->numparms);
|
||||
pr.functions[i].locals = LittleLong (f->dfunc->locals);
|
||||
memcpy (pr.functions[i].parm_size, f->dfunc->parm_size, MAX_PARMS);
|
||||
for (i = 0, df = pr.functions + 1; i < pr.num_functions; i++, df++) {
|
||||
df->first_statement = LittleLong (df->first_statement);
|
||||
df->parm_start = LittleLong (df->parm_start);
|
||||
df->s_name = LittleLong (df->s_name);
|
||||
df->s_file = LittleLong (df->s_file);
|
||||
df->numparms = LittleLong (df->numparms);
|
||||
df->locals = LittleLong (df->locals);
|
||||
}
|
||||
SafeWrite (h, pr.functions, pr.num_functions * sizeof (dfunction_t));
|
||||
}
|
||||
|
|
@ -320,6 +338,7 @@ finish_compilation (void)
|
|||
def_t *def;
|
||||
expr_t e;
|
||||
ex_label_t *l;
|
||||
dfunction_t *df;
|
||||
|
||||
class_finish_module ();
|
||||
// check to make sure all functions prototyped have code
|
||||
|
|
@ -351,14 +370,25 @@ finish_compilation (void)
|
|||
relocate_refs (def->refs, def->ofs);
|
||||
}
|
||||
|
||||
for (f = pr.func_head; f; f = f->next) {
|
||||
if (f->builtin || !f->code)
|
||||
pr.functions = calloc (pr.num_functions + 1, sizeof (dfunction_t));
|
||||
for (df = pr.functions + 1, f = pr.func_head; f; df++, f = f->next) {
|
||||
df->s_name = f->s_name;
|
||||
df->s_file = f->s_file;
|
||||
df->numparms = function_parms (f, df->parm_size);
|
||||
if (f->scope)
|
||||
df->locals = f->scope->space->size;
|
||||
if (f->builtin) {
|
||||
df->first_statement = -f->builtin;
|
||||
continue;
|
||||
}
|
||||
if (!f->code)
|
||||
continue;
|
||||
df->first_statement = f->code;
|
||||
if (f->scope->space->size > num_localdefs) {
|
||||
num_localdefs = f->scope->space->size;
|
||||
big_function = f->def->name;
|
||||
}
|
||||
f->dfunc->parm_start = pr.near_data->size;
|
||||
df->parm_start = pr.near_data->size;
|
||||
for (def = f->scope->head; def; def = def->def_next) {
|
||||
if (def->absolute)
|
||||
continue;
|
||||
|
|
|
|||
|
|
@ -116,7 +116,7 @@ new_reloc (int ofs, reloc_type type)
|
|||
{
|
||||
reloc_t *ref;
|
||||
|
||||
ALLOC (1024, reloc_t, refs, ref);
|
||||
ALLOC (16384, reloc_t, refs, ref);
|
||||
ref->ofs = ofs;
|
||||
ref->type = type;
|
||||
return ref;
|
||||
|
|
|
|||
|
|
@ -146,7 +146,7 @@ new_struct (const char *name)
|
|||
strct->type->class = (struct class_s *)strct;
|
||||
strct->is_union = 0;
|
||||
if (name) {
|
||||
strct->type->name = strdup (name);
|
||||
strct->type->name = save_string (name);
|
||||
Hash_Add (structs, strct);
|
||||
}
|
||||
return strct->type;
|
||||
|
|
|
|||
Loading…
Reference in a new issue