quakeforge/tools/qfcc/source/pr_imm.c

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/* Copyright (C) 1996-1997 Id Software, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
See file, 'COPYING', for details.
*/
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static const char rcsid[] =
"$Id$";
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "QF/hash.h"
#include "qfcc.h"
#include "type.h"
static hashtab_t *string_imm_defs;
static hashtab_t *float_imm_defs;
static hashtab_t *vector_imm_defs;
static hashtab_t *entity_imm_defs;
static hashtab_t *field_imm_defs;
static hashtab_t *func_imm_defs;
static hashtab_t *pointer_imm_defs;
static hashtab_t *quaternion_imm_defs;
static hashtab_t *integer_imm_defs;
static const char *
string_imm_get_key (void *_def, void *unused)
{
def_t *def = (def_t *) _def;
return G_STRING (def->ofs);
}
static const char *
float_imm_get_key (void *_def, void *unused)
{
def_t *def = (def_t *) _def;
static char rep[20];
snprintf (rep, sizeof (rep), "\001float:%08X\001", G_INT (def->ofs));
return rep;
}
static const char *
vector_imm_get_key (void *_def, void *unused)
{
def_t *def = (def_t *) _def;
static char rep[60];
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snprintf (rep, sizeof (rep), "\001vector:%08X\001%08X\001%08X\001",
G_INT (def->ofs), G_INT (def->ofs + 1), G_INT (def->ofs + 2));
return rep;
}
static const char *
quaternion_imm_get_key (void *_def, void *unused)
{
def_t *def = (def_t *) _def;
static char rep[60];
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snprintf (rep, sizeof (rep),
"\001quaternion:%08X\001%08X\001%08X\001%08X\001",
G_INT (def->ofs), G_INT (def->ofs + 1),
G_INT (def->ofs + 2), G_INT (def->ofs + 3));
return rep;
}
static const char *
int_imm_get_key (void *_def, void *_str)
{
def_t *def = (def_t *) _def;
static char rep[60];
char *str = (char *) _str;
snprintf (rep, sizeof (rep), "\001%s:%08X\001", str, G_INT (def->ofs));
return rep;
}
def_t *
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PR_ReuseConstant (expr_t *expr, def_t *def)
{
def_t *cn = 0;
char rep[60];
const char *r = rep;
hashtab_t *tab = 0;
type_t *type;
expr_t e = *expr;
if (!string_imm_defs) {
string_imm_defs = Hash_NewTable (16381, string_imm_get_key, 0, 0);
float_imm_defs = Hash_NewTable (16381, float_imm_get_key, 0, 0);
vector_imm_defs = Hash_NewTable (16381, vector_imm_get_key, 0, 0);
entity_imm_defs = Hash_NewTable (16381, int_imm_get_key, 0, "entity");
field_imm_defs = Hash_NewTable (16381, int_imm_get_key, 0, "field");
func_imm_defs = Hash_NewTable (16381, int_imm_get_key, 0, "func");
pointer_imm_defs = Hash_NewTable (16381, int_imm_get_key, 0, "pointer");
quaternion_imm_defs =
Hash_NewTable (16381, quaternion_imm_get_key, 0, 0);
Initial integer type support. qfcc /is/ partially broken when it comes to integer constants and float function args/return values. pr_comp.h: o add the integer opcodes to pr_opcode_e pr_edict.c: o add "quaternion" and "integer" to type_name[] o support quatnernion and integers types when printing values o support the integer opcodes when bounds checking pr_exec.c o enable the integer opcodes pr_opcode: o add the integer opcodes to the opcode table o logical operators all result in an integer rather than a value expr.h: o rename int_val to integer_val qfcc.h: o kill another magic number expr.c: o move the opcode to string conversion out of type_mismatch and into get_op_string o rename int_val to integer_val o general integer type support. o generate an internal comipiler error for null opcodes rather than segging. pr_imm.c: o rename int_val to integer_val o support integer constants, converting to float when needed. pr_lex.c: o magic number death and support quaternions and integers in type_size[] qc-lex.l o rename int_val to integer_val o support quaternion and integer type keywords qc-parse.y: o rename int_val to integer_val o use binary_expr instead of new_binary_expr for local initialized variables builtins.c: o rename int_val to integer_val o fix most (all?) of the INT related FIXMEs defs.qc: o use integer instead of float where it makes sense main.c: o read_result is now integer rather than float main.qc: o float -> integer where appropriate o new test for int const to float arg
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integer_imm_defs = Hash_NewTable (16381, int_imm_get_key, 0, "integer");
Hash_Add (string_imm_defs, PR_NewDef (&type_string, ".imm", 0));
Hash_Add (float_imm_defs, PR_NewDef (&type_float, ".imm", 0));
Hash_Add (entity_imm_defs, PR_NewDef (&type_entity, ".imm", 0));
Hash_Add (pointer_imm_defs, PR_NewDef (&type_pointer, ".imm", 0));
Hash_Add (integer_imm_defs, PR_NewDef (&type_integer, ".imm", 0));
}
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switch (e.type) {
case ex_entity:
snprintf (rep, sizeof (rep), "\001entity:%08X\001",
e.e.integer_val);
tab = entity_imm_defs;
type = &type_entity;
break;
case ex_field:
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snprintf (rep, sizeof (rep), "\001field:%08X\001", e.e.integer_val);
tab = field_imm_defs;
type = &type_field;
break;
case ex_func:
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snprintf (rep, sizeof (rep), "\001func:%08X\001", e.e.integer_val);
tab = func_imm_defs;
type = &type_function;
break;
case ex_pointer:
snprintf (rep, sizeof (rep), "\001pointer:%08X\001",
e.e.pointer.val);
tab = pointer_imm_defs;
type = &type_pointer;
break;
case ex_integer:
case ex_uinteger:
Initial integer type support. qfcc /is/ partially broken when it comes to integer constants and float function args/return values. pr_comp.h: o add the integer opcodes to pr_opcode_e pr_edict.c: o add "quaternion" and "integer" to type_name[] o support quatnernion and integers types when printing values o support the integer opcodes when bounds checking pr_exec.c o enable the integer opcodes pr_opcode: o add the integer opcodes to the opcode table o logical operators all result in an integer rather than a value expr.h: o rename int_val to integer_val qfcc.h: o kill another magic number expr.c: o move the opcode to string conversion out of type_mismatch and into get_op_string o rename int_val to integer_val o general integer type support. o generate an internal comipiler error for null opcodes rather than segging. pr_imm.c: o rename int_val to integer_val o support integer constants, converting to float when needed. pr_lex.c: o magic number death and support quaternions and integers in type_size[] qc-lex.l o rename int_val to integer_val o support quaternion and integer type keywords qc-parse.y: o rename int_val to integer_val o use binary_expr instead of new_binary_expr for local initialized variables builtins.c: o rename int_val to integer_val o fix most (all?) of the INT related FIXMEs defs.qc: o use integer instead of float where it makes sense main.c: o read_result is now integer rather than float main.qc: o float -> integer where appropriate o new test for int const to float arg
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if (!def || def->type != &type_float) {
snprintf (rep, sizeof (rep), "\001integer:%08X\001",
e.e.integer_val);
Initial integer type support. qfcc /is/ partially broken when it comes to integer constants and float function args/return values. pr_comp.h: o add the integer opcodes to pr_opcode_e pr_edict.c: o add "quaternion" and "integer" to type_name[] o support quatnernion and integers types when printing values o support the integer opcodes when bounds checking pr_exec.c o enable the integer opcodes pr_opcode: o add the integer opcodes to the opcode table o logical operators all result in an integer rather than a value expr.h: o rename int_val to integer_val qfcc.h: o kill another magic number expr.c: o move the opcode to string conversion out of type_mismatch and into get_op_string o rename int_val to integer_val o general integer type support. o generate an internal comipiler error for null opcodes rather than segging. pr_imm.c: o rename int_val to integer_val o support integer constants, converting to float when needed. pr_lex.c: o magic number death and support quaternions and integers in type_size[] qc-lex.l o rename int_val to integer_val o support quaternion and integer type keywords qc-parse.y: o rename int_val to integer_val o use binary_expr instead of new_binary_expr for local initialized variables builtins.c: o rename int_val to integer_val o fix most (all?) of the INT related FIXMEs defs.qc: o use integer instead of float where it makes sense main.c: o read_result is now integer rather than float main.qc: o float -> integer where appropriate o new test for int const to float arg
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tab = integer_imm_defs;
if (e.type == ex_uinteger)
type = &type_uinteger;
else
type = &type_integer;
Initial integer type support. qfcc /is/ partially broken when it comes to integer constants and float function args/return values. pr_comp.h: o add the integer opcodes to pr_opcode_e pr_edict.c: o add "quaternion" and "integer" to type_name[] o support quatnernion and integers types when printing values o support the integer opcodes when bounds checking pr_exec.c o enable the integer opcodes pr_opcode: o add the integer opcodes to the opcode table o logical operators all result in an integer rather than a value expr.h: o rename int_val to integer_val qfcc.h: o kill another magic number expr.c: o move the opcode to string conversion out of type_mismatch and into get_op_string o rename int_val to integer_val o general integer type support. o generate an internal comipiler error for null opcodes rather than segging. pr_imm.c: o rename int_val to integer_val o support integer constants, converting to float when needed. pr_lex.c: o magic number death and support quaternions and integers in type_size[] qc-lex.l o rename int_val to integer_val o support quaternion and integer type keywords qc-parse.y: o rename int_val to integer_val o use binary_expr instead of new_binary_expr for local initialized variables builtins.c: o rename int_val to integer_val o fix most (all?) of the INT related FIXMEs defs.qc: o use integer instead of float where it makes sense main.c: o read_result is now integer rather than float main.qc: o float -> integer where appropriate o new test for int const to float arg
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break;
}
if (e.type == ex_uinteger)
e.e.float_val = e.e.uinteger_val;
else
e.e.float_val = e.e.integer_val;
case ex_float:
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snprintf (rep, sizeof (rep), "\001float:%08X\001", e.e.integer_val);
tab = float_imm_defs;
type = &type_float;
break;
case ex_string:
r = e.e.string_val ? e.e.string_val : "";
tab = string_imm_defs;
type = &type_string;
break;
case ex_vector:
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snprintf (rep, sizeof (rep), "\001vector:%08X\001%08X\001%08X\001",
*(int *) &e.e.vector_val[0],
*(int *) &e.e.vector_val[1], *(int *) &e.e.vector_val[2]);
tab = vector_imm_defs;
type = &type_vector;
break;
case ex_quaternion:
snprintf (rep, sizeof (rep),
"\001quaternion:%08X\001%08X\001%08X\001%08X\001",
*(int *) &e.e.quaternion_val[0],
*(int *) &e.e.quaternion_val[1],
*(int *) &e.e.quaternion_val[2],
*(int *) &e.e.quaternion_val[3]);
tab = vector_imm_defs;
type = &type_quaternion;
break;
default:
abort ();
}
cn = (def_t *) Hash_Find (tab, r);
if (cn) {
if (def) {
PR_FreeLocation (def);
def->ofs = cn->ofs;
def->initialized = def->constant = 1;
cn = def;
} else {
if (cn->type != type) {
def = PR_NewDef (type, ".imm", 0);
def->ofs = cn->ofs;
cn = def;
}
}
return cn;
}
// allocate a new one
// always share immediates
if (def) {
if (def->type != type) {
cn = PR_NewDef (type, ".imm", 0);
cn->ofs = def->ofs;
} else {
cn = def;
}
} else {
cn = PR_NewDef (type, ".imm", 0);
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cn->ofs = PR_NewLocation (type);
pr_global_defs[cn->ofs] = cn;
if (type == &type_vector || type == &type_quaternion) {
int i;
for (i = 0; i < 3 + (type == &type_quaternion); i++)
PR_NewDef (&type_float, ".imm", 0);
}
}
cn->initialized = cn->constant = 1;
// copy the immediate to the global area
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if (e.type == ex_string)
e.e.integer_val = CopyString (r);
memcpy (pr_globals + cn->ofs, &e.e, 4 * pr_type_size[type->type]);
Hash_Add (tab, cn);
return cn;
}