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split the emit stuf out of expr.h into emit.h

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This commit is contained in:
Bill Currie 2002-07-08 18:53:07 +00:00
parent e815669b7a
commit c1894db59f
5 changed files with 70 additions and 36 deletions
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6
tools/qfcc/include/Makefile.am
View file

@ -1,5 +1,5 @@
AUTOMAKE_OPTIONS= foreign
EXTRA_DIST= class.h cmdlib.h cpp.h debug.h def.h expr.h function.h idstuff.h \
immediate.h linker.h method.h obj_file.h opcodes.h options.h \
qfcc.h reloc.h strpool.h struct.h switch.h type.h
EXTRA_DIST= class.h cmdlib.h cpp.h debug.h def.h emit.h expr.h function.h \
idstuff.h immediate.h linker.h method.h obj_file.h opcodes.h \
options.h qfcc.h reloc.h strpool.h struct.h switch.h type.h

39
tools/qfcc/include/emit.h Normal file
View file

@ -0,0 +1,39 @@
/*
#FILENAME#
#DESCRIPTION#
Copyright (C) 2001 #AUTHOR#
Author: #AUTHOR#
Date: #DATE#
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
$Id$
*/
#ifndef __emit_h
#define __emit_h
struct expr_s;
struct def_s *emit_statement (struct expr_s *e, opcode_t *op, struct def_s *var_a, struct def_s *var_b, struct def_s *var_c);
void emit_expr (struct expr_s *e);
#endif//__emit_h

3
tools/qfcc/include/expr.h
View file

@ -163,9 +163,6 @@ expr_t *cast_expr (struct type_s *t, expr_t *e);
void init_elements (struct def_s *def, expr_t *eles);
struct def_s *emit_statement (int line, opcode_t *op, struct def_s *var_a, struct def_s *var_b, struct def_s *var_c);
void emit_expr (expr_t *e);
expr_t *error (expr_t *e, const char *fmt, ...) __attribute__((format(printf, 2,3)));
void warning (expr_t *e, const char *fmt, ...) __attribute__((format(printf, 2,3)));
void notice (expr_t *e, const char *fmt, ...) __attribute__((format(printf, 2,3)));

55
tools/qfcc/source/emit.c
View file

@ -46,6 +46,7 @@ static const char rcsid[] =
#include "def.h"
#include "debug.h"
#include "emit.h"
#include "expr.h"
#include "immediate.h"
#include "opcodes.h"
@ -74,22 +75,18 @@ add_statement_ref (def_t *def, dstatement_t *st, reloc_type type)
}
def_t *
emit_statement (int sline, opcode_t *op, def_t *var_a, def_t *var_b,
emit_statement (expr_t *e, opcode_t *op, def_t *var_a, def_t *var_b,
def_t *var_c)
{
dstatement_t *statement;
def_t *ret;
if (!op) {
expr_t e;
e.line = sline;
e.file = pr.source_file;
error (&e, "ice ice baby\n");
error (e, "ice ice baby\n");
abort ();
}
if (options.code.debug) {
int line = sline - lineno_base;
int line = e->line - lineno_base;
if (line != linenos[num_linenos - 1].line) {
pr_lineno_t *lineno = new_lineno ();
@ -142,7 +139,7 @@ emit_statement (int sline, opcode_t *op, def_t *var_a, def_t *var_b,
}
void
emit_branch (int line, opcode_t *op, expr_t *e, expr_t *l)
emit_branch (expr_t *_e, opcode_t *op, expr_t *e, expr_t *l)
{
dstatement_t *st;
reloc_t *ref;
@ -152,7 +149,7 @@ emit_branch (int line, opcode_t *op, expr_t *e, expr_t *l)
if (e)
def = emit_sub_expr (e, 0);
st = &pr.statements[ofs = pr.num_statements];
emit_statement (line, op, def, 0, 0);
emit_statement (_e, op, def, 0, 0);
if (l->e.label.ofs) {
if (op == op_goto)
st->a = l->e.label.ofs - ofs;
@ -185,17 +182,17 @@ emit_function_call (expr_t *e, def_t *dest)
arg = emit_sub_expr (earg, &parm);
if (earg->type != ex_expr && earg->type != ex_uexpr) {
op = opcode_find ("=", arg, &parm, &def_void);
emit_statement (e->line, op, arg, &parm, 0);
emit_statement (e, op, arg, &parm, 0);
}
}
op = opcode_find (va ("<CALL%d>", count), &def_function, &def_void,
&def_void);
emit_statement (e->line, op, func, 0, 0);
emit_statement (e, op, func, 0, 0);
def_ret.type = func->type->aux_type;
if (dest) {
op = opcode_find ("=", dest, &def_ret, &def_void);
emit_statement (e->line, op, &def_ret, dest, 0);
emit_statement (e, op, &def_ret, dest, 0);
return dest;
} else {
return &def_ret;
@ -239,7 +236,7 @@ emit_assign_expr (int oper, expr_t *e)
def_b = emit_sub_expr (e2, def_a);
if (def_b != def_a) {
op = opcode_find (operator, def_b, def_a, &def_void);
emit_statement (e->line, op, def_b, def_a, 0);
emit_statement (e, op, def_b, def_a, 0);
}
return def_a;
} else {
@ -256,7 +253,7 @@ emit_assign_expr (int oper, expr_t *e)
def_c = 0;
op = opcode_find (operator, def_b, def_a, &def_void);
}
emit_statement (e->line, op, def_b, def_a, def_c);
emit_statement (e, op, def_b, def_a, def_c);
return def_b;
}
}
@ -294,7 +291,7 @@ emit_address_expr (expr_t *e)
def_a = emit_sub_expr (e->e.expr.e1, 0);
def_b = emit_sub_expr (e->e.expr.e2, 0);
op = opcode_find ("&", def_a, def_b, 0);
d = emit_statement (e->line, op, def_a, def_b, 0);
d = emit_statement (e, op, def_a, def_b, 0);
return d;
}
@ -317,7 +314,7 @@ emit_deref_expr (expr_t *e, def_t *dest)
zero.type = ex_short;
z = emit_sub_expr (&zero, 0);
op = opcode_find (".", d, z, dest);
d = emit_statement (e->line, op, d, z, dest);
d = emit_statement (e, op, d, z, dest);
}
return d;
}
@ -338,7 +335,7 @@ emit_deref_expr (expr_t *e, def_t *dest)
zero.type = ex_short;
z = emit_sub_expr (&zero, 0);
op = opcode_find (".", d, z, dest);
d = emit_statement (e->line, op, d, z, dest);
d = emit_statement (e, op, d, z, dest);
} else {
if (!d->name)
d->type = type;
@ -397,7 +394,7 @@ emit_sub_expr (expr_t *e, def_t *dest)
dest->users += 2;
}
op = opcode_find (operator, def_a, def_b, dest);
d = emit_statement (e->line, op, def_a, def_b, dest);
d = emit_statement (e, op, def_a, def_b, dest);
break;
case ex_uexpr:
switch (e->e.expr.op) {
@ -459,7 +456,7 @@ emit_sub_expr (expr_t *e, def_t *dest)
abort ();
}
op = opcode_find (operator, def_a, def_b, dest);
d = emit_statement (e->line, op, def_a, def_b, dest);
d = emit_statement (e, op, def_a, def_b, dest);
break;
case ex_def:
d = e->e.def;
@ -528,22 +525,22 @@ emit_expr (expr_t *e)
emit_assign_expr (e->e.expr.op, e);
break;
case 'n':
emit_branch (e->line, op_ifnot, e->e.expr.e1, e->e.expr.e2);
emit_branch (e, op_ifnot, e->e.expr.e1, e->e.expr.e2);
break;
case 'i':
emit_branch (e->line, op_if, e->e.expr.e1, e->e.expr.e2);
emit_branch (e, op_if, e->e.expr.e1, e->e.expr.e2);
break;
case IFBE:
emit_branch (e->line, op_ifbe, e->e.expr.e1, e->e.expr.e2);
emit_branch (e, op_ifbe, e->e.expr.e1, e->e.expr.e2);
break;
case IFB:
emit_branch (e->line, op_ifb, e->e.expr.e1, e->e.expr.e2);
emit_branch (e, op_ifb, e->e.expr.e1, e->e.expr.e2);
break;
case IFAE:
emit_branch (e->line, op_ifae, e->e.expr.e1, e->e.expr.e2);
emit_branch (e, op_ifae, e->e.expr.e1, e->e.expr.e2);
break;
case IFA:
emit_branch (e->line, op_ifa, e->e.expr.e1, e->e.expr.e2);
emit_branch (e, op_ifa, e->e.expr.e1, e->e.expr.e2);
break;
case 'c':
emit_function_call (e, 0);
@ -551,7 +548,7 @@ emit_expr (expr_t *e)
case 's':
def_a = emit_sub_expr (e->e.expr.e1, 0);
def_b = emit_sub_expr (e->e.expr.e2, 0);
emit_statement (e->line, op_state, def_a, def_b, 0);
emit_statement (e, op_state, def_a, def_b, 0);
break;
case 'b':
emit_bind_expr (e->e.expr.e1, e->e.expr.e2);
@ -559,7 +556,7 @@ emit_expr (expr_t *e)
case 'g':
def_a = emit_sub_expr (e->e.expr.e1, 0);
def_b = emit_sub_expr (e->e.expr.e2, 0);
emit_statement (e->line, op_jumpb, def_a, def_b, 0);
emit_statement (e, op_jumpb, def_a, def_b, 0);
break;
default:
warning (e, "Ignoring useless expression");
@ -572,10 +569,10 @@ emit_expr (expr_t *e)
def = 0;
if (e->e.expr.e1)
def = emit_sub_expr (e->e.expr.e1, 0);
emit_statement (e->line, op_return, def, 0, 0);
emit_statement (e, op_return, def, 0, 0);
break;
case 'g':
emit_branch (e->line, op_goto, 0, e->e.expr.e1);
emit_branch (e, op_goto, 0, e->e.expr.e1);
break;
default:
warning (e, "useless expression");

3
tools/qfcc/source/function.c
View file

@ -47,6 +47,7 @@ static const char rcsid[] =
#include "debug.h"
#include "def.h"
#include "emit.h"
#include "expr.h"
#include "function.h"
#include "immediate.h"
@ -253,7 +254,7 @@ emit_function (function_t *f, expr_t *e)
emit_expr (e);
e = e->next;
}
emit_statement (pr.source_line, op_done, 0, 0, 0);
emit_statement (0, op_done, 0, 0, 0);
flush_scope (current_scope, 0);
current_scope = pr.scope;
reset_tempdefs ();