--- /dev/null
+#!/usr/bin/perl -w
+
+open(FILE, "treefuncs.def") || die("Can't open treefuncs.def");
+open(OUTC, ">treefuncs.c") || die("Can't open treefuncs.c");
+open(OUTH, ">treefuncs.h") || die("Can't open treefuncs.h");
+
+print OUTC "/* Generated by generate_treefuncs.pl from treefuncs.def!\n";
+print OUTC " * Do not edit by hand! */\n\n";
+print OUTH "/* Generated by generate_treefuncs.pl from treefuncs.def!\n";
+print OUTH " * Do not edit by hand! */\n\n";
+
+$typedefs = "typedef union _Node Node;\n";
+$typeenums = "enum {\n";
+
+$typename = "";
+%typestruct = ();
+%newfunc = ();
+%newfunc_prot = ();
+%freefunc = ();
+%freefunc_prot = ();
+%copyfunc = ();
+%copyfunc_prot = ();
+
+$var = "";
+$type = "";
+$copy = "";
+$free = "";
+
+$headercode = "";
+
+$inheadercode = 0;
+
+$vars = 0;
+
+sub end_var {
+ $typestruct{$typename} .= "\t$type $var;\n";
+
+ if($vars == 0) {
+ $newfunc_prot{$typename} .= "$type $var";
+ } else {
+ $newfunc_prot{$typename} .= ", $type $var";
+ }
+ $vars++;
+
+ $newfunc{$typename} .= "\tself->$var = $var;\n";
+
+ if($copy ne "") {
+ $tmp = $copy;
+ $tmp =~ s/__VAL__/self->$var/g;
+ $tmp =~ s/__LVAL__/new->$var/g;
+ $copyfunc{$typename} .= "\t$tmp\n";
+ } else {
+ $copyfunc{$typename} .= "\tnew->$var = self->$var;\n";
+ }
+ if($free ne "") {
+ $tmp = $free;
+ $tmp =~ s/__VAL__/self->$var/g;
+ $freefunc{$typename} .= "\t$tmp\n";
+ }
+}
+
+while(<FILE>) {
+ if($inheadercode) {
+ if(/^ENDHEADER$/) {
+ $inheadercode = 0;
+ next;
+ }
+ $headercode .= $_;
+ next;
+ }
+
+ s/#.*$//;
+
+ if(/^[ \t]*HEADER[ \t]*$/) {
+ $inheadercode = 1;
+ next;
+ }
+
+ if(/^[ \t]*CLASS[ \t]+([_A-Za-z][A-Za-z_0-9]+)[ \t]*$/) {
+ $typename = $1;
+ $lct = lc $typename;
+ $uct = uc $typename;
+
+ $vars = 0;
+
+ $typeenums .= "\t$uct"."_NODE,\n";
+
+ $typedefs .= "typedef struct _$typename $typename;\n";
+
+ $typestruct{$typename} = "struct _$typename {\n\tint type;\n";
+ $newfunc_prot{$typename} = "Node * new_$lct (";
+ $copyfunc_prot{$typename} = "$typename * copy_$lct ($typename * self)";
+ $freefunc_prot{$typename} = "void free_$lct ($typename * self)";
+
+ $newfunc{$typename} = "{\n" .
+ "\t$typename * self = g_new0($typename, 1);\n" .
+ "\tself->type = $uct"."_NODE;\n";
+ $copyfunc{$typename} = "{\n" .
+ "\t$typename * new;\n" .
+ "\tg_return_if_fail(self != NULL);\n" .
+ "\tg_return_if_fail(self->type == $uct"."_NODE);\n" .
+ "\tnew = g_new0($typename, 1);\n" .
+ "\tnew->type = $uct"."_NODE;\n";
+ $freefunc{$typename} = "{\n\tg_return_if_fail(self != NULL);\n" .
+ "\tg_return_if_fail(self->type == $uct"."_NODE);\n";
+
+ next;
+ }
+
+ #ignore everything until we get some typename
+ if($typename eq "") {
+ next;
+ }
+
+ #some predefined VARIABLE types
+ if(/^[ \t]*INT[ \t]+([_A-Za-z][A-Za-z_0-9]+)[ \t]*$/) {
+ $var = $1;
+ $type = "int";
+ $copy = "__LVAL__ = __VAL__;";
+ $free = "";
+ end_var;
+ next;
+ } elsif(/^[ \t]*BOOL[ \t]+([_A-Za-z][A-Za-z_0-9]+)[ \t]*$/) {
+ $var = $1;
+ $type = "gboolean";
+ $copy = "__LVAL__ = __VAL__;";
+ $free = "";
+ end_var;
+ next;
+ } elsif(/^[ \t]*STRING[ \t]+([_A-Za-z][A-Za-z_0-9]+)[ \t]*$/) {
+ $var = $1;
+ $type = "char *";
+ $copy = "__LVAL__ = g_strdup(__VAL__);";
+ $free = "g_free(__VAL__);";
+ end_var;
+ next;
+ } elsif(/^[ \t]*STRINGLIST[ \t]+([_A-Za-z][A-Za-z_0-9]+)[ \t]*$/) {
+ $var = $1;
+ $type = "GList *";
+ $copy = "__LVAL__ = g_list_copy(__VAL__); COPY_LIST_VALS(__LVAL__, g_strdup);";
+ $free = "g_list_foreach(__VAL__, (GFunc)g_free, NULL); g_list_free(__VAL__);";
+ end_var;
+ next;
+ } elsif(/^[ \t]*NODELIST[ \t]+([_A-Za-z][A-Za-z_0-9]+)[ \t]*$/) {
+ $var = $1;
+ $type = "GList *";
+ $copy = "__LVAL__ = copy_node_list(__VAL__);";
+ $free = "free_node_list(__VAL__);";
+ end_var;
+ next;
+ #We assume one of the classes we are creating is named Type
+ } elsif(/^[ \t]*TYPE[ \t]+([_A-Za-z][A-Za-z_0-9]+)[ \t]*$/) {
+ $var = $1;
+ $type = "Type *";
+ $copy = "__LVAL__ = copy_type(__VAL__);";
+ $free = "free_type(__VAL__);";
+ end_var;
+ next;
+ #generic variable type
+ } elsif(/^[ \t]*VAR[ \t]+([_A-Za-z][A-Za-z_0-9]+)[ \t]*$/) {
+ $var = $1;
+ $type = "int";
+ $copy = "__LVAL__ = __VAL__;";
+ $free = "";
+ next;
+ } elsif(/^[ \t]*CTYPE[ \t]+(.+)[ \t]*$/) {
+ $type = $1;
+ next;
+ } elsif(/^[ \t]*COPY[ \t]+(.+)$/) {
+ $copy = $1;
+ next;
+ } elsif(/^[ \t]*FREE[ \t]+(.+)$/) {
+ $free = $1;
+ next;
+ } elsif(/^[ \t]*ENDVAR[ \t]*$/) {
+ end_var;
+ next;
+ } elsif(/^[ \t]*ENDCLASS[ \t]*$/) {
+ $typestruct{$typename} .= "};";
+ $newfunc_prot{$typename} .= ")";
+
+ $newfunc{$typename} .= "\treturn (Node *)self;\n}";
+ $copyfunc{$typename} .= "\treturn new;\n}";
+ $freefunc{$typename} .= "\tg_free(self);\n}";
+ $typename = "";
+ next;
+ } else {
+ next;
+ }
+}
+
+$typeenums .= "\tLAST_NODE_TYPE\n};";
+
+print OUTH "\n#ifndef _TREEFUNCS_H_\n";
+print OUTH "\n#define _TREEFUNCS_H_\n";
+
+print OUTH "\n$headercode\n\n";
+print OUTH "$typeenums\n\n";
+print OUTH "$typedefs\n\n";
+
+foreach $t (sort keys %typestruct) {
+ print OUTH "$typestruct{$t}\n\n";
+}
+
+print OUTH "union _Node {\n\tint type;\n";
+
+foreach $t (sort keys %typestruct) {
+ $foo = lc $t;
+ if($foo eq "type") {
+ print OUTH "\t$t _type;\n";
+ } else {
+ print OUTH "\t$t $foo;\n";
+ }
+}
+print OUTH "};\n\n";
+
+
+print OUTH "/* New functions */\n";
+
+foreach $t (sort keys %newfunc_prot) {
+ print OUTH "$newfunc_prot{$t};\n";
+}
+
+print OUTH "\n/* General copy/free functions */\n";
+print OUTH "Node * copy_node(Node *node);\n";
+print OUTH "void free_node(Node *node);\n\n";
+print OUTH "GList * copy_node_list(GList *nodes);\n";
+print OUTH "void free_node_list(GList *nodes);\n";
+
+print OUTH "\n/* Copy functions */\n";
+foreach $t (sort keys %copyfunc_prot) {
+ print OUTH "$copyfunc_prot{$t};\n";
+}
+print OUTH "\n/* Free functions */\n";
+foreach $t (sort keys %freefunc_prot) {
+ print OUTH "$freefunc_prot{$t};\n";
+}
+
+print OUTH "\n#endif /*_TREEFUNCS_H_*/\n";
+
+close(OUTH);
+
+print OUTC "#include <glib.h>\n#include \"treefuncs.h\"\n\n";
+print OUTC "#define COPY_LIST_VALS(list,func) " .
+ "{ GList *li; for(li=(list);li;li=li->next) { li->data=func(li->data); } }\n\n";
+
+foreach $t (sort keys %newfunc_prot) {
+ print OUTC "$newfunc_prot{$t}\n$newfunc{$t}\n\n";
+}
+
+foreach $t (sort keys %copyfunc_prot) {
+ print OUTC "$copyfunc_prot{$t}\n$copyfunc{$t}\n\n";
+}
+
+foreach $t (sort keys %freefunc_prot) {
+ print OUTC "$freefunc_prot{$t}\n$freefunc{$t}\n\n";
+}
+
+print OUTC "Node * copy_node(Node *node)\n" .
+ "{\n" .
+ "\tg_return_if_fail(node != NULL);\n" .
+ "\tg_return_if_fail(node->type >= 0 && node->type < LAST_NODE_TYPE);\n" .
+ "\tswitch(node->type) {\n";
+foreach $t (sort keys %typestruct) {
+ print OUTC "\tcase " . uc($t) . "_NODE: return (Node *)copy_" . lc($t) . " (($t *)node);\n";
+}
+print OUTC "\tdefault: return NULL;\n\t}\n}\n\n";
+
+print OUTC "void free_node(Node *node)\n" .
+ "{\n" .
+ "\tg_return_if_fail(node != NULL);\n" .
+ "\tg_return_if_fail(node->type >= 0 && node->type < LAST_NODE_TYPE);\n" .
+ "\tswitch(node->type) {\n";
+foreach $t (sort keys %typestruct) {
+ print OUTC "\tcase " . uc($t) . "_NODE: free_" . lc($t) . " (($t *)node); return;\n";
+}
+print OUTC "\tdefault: return;\n\t}\n}\n\n";
+
+print OUTC "GList * copy_node_list(GList *nodes)\n" .
+ "{\n" .
+ "\tGList *li;\n" .
+ "\tnodes = g_list_copy(nodes);\n" .
+ "\tfor(li = nodes; li != NULL; li = li->next) {\n" .
+ "\t\tli->data = copy_node(li->data);\n" .
+ "\t}\n" .
+ "\treturn nodes;\n" .
+ "}\n\n";
+
+print OUTC "void free_node_list(GList *nodes)\n" .
+ "{\n" .
+ "\tGList *li;\n" .
+ "\tfor(li = nodes; li != NULL; li = li->next) {\n" .
+ "\t\tfree_node(li->data);\n" .
+ "\t}\n" .
+ "\tg_list_free(nodes);\n" .
+ "}\n\n";
+
+close(OUTC);