-#!/usr/bin/perl -w
-
-#
-# Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
-#
-# This file is part of libFirm.
-#
-# This file may be distributed and/or modified under the terms of the
-# GNU General Public License version 2 as published by the Free Software
-# Foundation and appearing in the file LICENSE.GPL included in the
-# packaging of this file.
-#
-# Licensees holding valid libFirm Professional Edition licenses may use
-# this file in accordance with the libFirm Commercial License.
-# Agreement provided with the Software.
-#
-# This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
-# WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-# PURPOSE.
-#
-
-# This script generates C code which emits assembler code for the
-# assembler ir nodes. It takes a "emit" key from the node specification
-# and substitutes lines starting with . with a corresponding fprintf().
-
-use strict;
-use Data::Dumper;
-
-our $specfile;
-our $target_dir;
-
-our $arch;
-our %nodes;
-our %emit_templates;
-our $finish_line_template = "be_emit_finish_line_gas(node);";
-our $indent_line_func;
-
-my $target_c = $target_dir."/gen_".$arch."_emitter.c";
-my $target_h = $target_dir."/gen_".$arch."_emitter.h";
-
-# stacks for output
-my @obst_func; # stack for the emit functions
-my @obst_register; # stack for emitter register code
-my $line;
-
-sub create_emitter {
- my $result = shift;
- my $indent = shift;
- my $template = shift;
- our %emit_templates;
- our $arch;
-
- if (!defined($indent_line_func)) {
- $template = "\\t" . $template;
- } else {
- push(@{$result}, "${indent}${indent_line_func};\n");
- }
-
- my @tokens = ($template =~ m/(?:[^%]|%%)+|\%[a-zA-Z_][a-zA-Z0-9_]*|%\./g);
- for (@tokens) {
- SWITCH: {
- if (/%\./) { last SWITCH; }
- if (/^%([^%]+)/) {
- if(defined($emit_templates{$1})) {
- push(@{$result}, "${indent}$emit_templates{$1}\n");
- } else {
- print "Warning: No emit_template defined for '$1'\n";
- push(@{$result}, "${indent}$1(node);\n");
- }
- last SWITCH;
- }
- $_ =~ s/%%/%/g;
- if (length($_) == 1) {
- push(@{$result}, "${indent}be_emit_char('$_');\n");
- } else {
- push(@{$result}, "${indent}be_emit_cstring(\"$_\");\n");
- }
- }
- }
- push(@{$result}, "${indent}${finish_line_template}\n");
-}
-
-
-
-foreach my $op (keys(%nodes)) {
- my %n = %{ $nodes{"$op"} };
-
- # skip this node description if no emit information is available
- next if (!defined($n{"emit"}));
-
- $line = "static void emit_${arch}_${op}(const ir_node *node)";
-
- push(@obst_register, " ${arch}_register_emitter(op_${arch}_${op}, emit_${arch}_${op});\n");
-
- if($n{"emit"} eq "") {
- push(@obst_func, $line."\n");
- push(@obst_func, "{\n");
- push(@obst_func, "\t(void) node;\n");
- push(@obst_func, "}\n\n");
- next;
- }
-
- push(@obst_func, $line."\n");
- push(@obst_func, "{\n");
-
- my @emit = split(/\n/, $n{"emit"});
-
- foreach my $template (@emit) {
- # substitute only lines, starting with a '.'
- if ($template eq '') {
- # nothing
- } elsif ($template =~ /^(\s*)\.\s*(.*)/) {
- my $indent = "\t$1";
- create_emitter(\@obst_func, $indent, $2);
- } else {
- push(@obst_func, "\t${arch}_emitf(node, \"$template\");\n");
- }
- }
-
- push(@obst_func, "}\n\n");
-}
-
-open(OUT, ">$target_h") || die("Could not open $target_h, reason: $!\n");
-
-my $creation_time = localtime(time());
-
-my $tmp = uc($arch);
-
-print OUT<<EOF;
-/**
- * \@file
- * \@brief Function prototypes for the emitter functions.
- * \@note DO NOT EDIT THIS FILE, your changes will be lost.
- * Edit $specfile instead.
- * created by: $0 $specfile $target_dir
- * \@date $creation_time
- */
-#ifndef FIRM_BE_${tmp}_GEN_${tmp}_EMITTER_H
-#define FIRM_BE_${tmp}_GEN_${tmp}_EMITTER_H
-
-#include "irnode.h"
-#include "${arch}_emitter.h"
-
-void ${arch}_register_spec_emitters(void);
-
-#endif
-
-EOF
-
-close(OUT);
-
-open(OUT, ">$target_c") || die("Could not open $target_c, reason: $!\n");
-
-$creation_time = localtime(time());
-
-print OUT<<EOF;
-/**
- * \@file
- * \@brief Generated functions to emit code for assembler ir nodes.
- * \@note DO NOT EDIT THIS FILE, your changes will be lost.
- * Edit $specfile instead.
- * created by: $0 $specfile $target_dir
- * \@date $creation_time
- */
-#include "config.h"
-
-#include <stdio.h>
-#include <assert.h>
-
-#include "irnode.h"
-#include "irop_t.h"
-#include "irprog_t.h"
-#include "beemitter.h"
-
-#include "gen_${arch}_emitter.h"
-#include "${arch}_new_nodes.h"
-#include "${arch}_emitter.h"
-
-EOF
-
-print OUT @obst_func;
-
-print OUT<<EOF;
-
-typedef void (*emit_func)(const ir_node *node);
-
-static void ${arch}_register_emitter(ir_op *op, emit_func func)
-{
- assert(op->ops.generic == NULL);
- op->ops.generic = (op_func)func;
-}
-
-/**
- * Enters the emitter functions for handled nodes into the generic
- * pointer of an opcode.
- */
-void $arch\_register_spec_emitters(void)
-{
-EOF
-
-print OUT @obst_register;
-
-print OUT<<EOF;
-}
-
-EOF
-
-close(OUT);