X-Git-Url: https://jxself.org/git/?p=zilutils.git;a=blobdiff_plain;f=zilasm%2Fdirectives.c;fp=zilasm%2Fdirectives.c;h=46a0720d59693b3ee342b90c406f3a3766c814a7;hp=0000000000000000000000000000000000000000;hb=fd453701e368225dd15e9df2e5b1752aebe454e8;hpb=093225c7cb864aaa31567969301eb5f36bd9a5f4

diff --git a/zilasm/directives.c b/zilasm/directives.c
new file mode 100644
index 0000000..46a0720
--- /dev/null
+++ b/zilasm/directives.c
@@ -0,0 +1,193 @@
+/*
+ * directives.c -- part of ZilUtils/ZilAsm
+ *
+ * Copyright (C) 2016 Jason Self <j@jxself.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+#include <stdlib.h>   /* bsearch */
+#include <string.h>   /* strcmp */
+
+#include "directives.h"
+
+#define ARRAY_SIZE(x)  ((sizeof(x)) / (sizeof(x[0])))
+
+static int byte_handler(const char *args)
+{
+	/* !!! TODO !!! */
+	return 0;
+}
+
+static int end_handler(const char *args)
+{
+	/* !!! TODO !!! */
+	return 0;
+}
+
+static int endi_handler(const char *args)
+{
+	/* !!! TODO !!! */
+	return 0;
+}
+
+static int endt_handler(const char *args)
+{
+	/* !!! TODO !!! */
+	return 0;
+}
+
+static int fstr_handler(const char *args)
+{
+	/* !!! TODO !!! */
+	return 0;
+}
+
+static int funct_handler(const char *args)
+{
+	/* !!! TODO !!! */
+	return 0;
+}
+
+static int gstr_handler(const char *args)
+{
+	/* !!! TODO !!! */
+	return 0;
+}
+
+static int gvar_handler(const char *args)
+{
+	/* !!! TODO !!! */
+	return 0;
+}
+
+static int insert_handler(const char *args)
+{
+	/* !!! TODO !!! */
+	return 0;
+}
+
+static int len_handler(const char *args)
+{
+	/* !!! TODO !!! */
+	return 0;
+}
+
+static int new_handler(const char *args)
+{
+	/* !!! TODO !!! */
+	return 0;
+}
+
+static int object_handler(const char *args)
+{
+	/* !!! TODO !!! */
+	return 0;
+}
+
+static int prop_handler(const char *args)
+{
+	/* !!! TODO !!! */
+	return 0;
+}
+
+static int str_handler(const char *args)
+{
+	/* !!! TODO !!! */
+	return 0;
+}
+
+static int strl_handler(const char *args)
+{
+	/* !!! TODO !!! */
+	return 0;
+}
+
+static int table_handler(const char *args)
+{
+	/* !!! TODO !!! */
+	return 0;
+}
+
+static int vocbeg_handler(const char *args)
+{
+	/* !!! TODO !!! */
+	return 0;
+}
+
+static int vocend_handler(const char *args)
+{
+	/* !!! TODO !!! */
+	return 0;
+}
+
+static int word_handler(const char *args)
+{
+	/* !!! TODO !!! */
+	return 0;
+}
+
+static int zword_handler(const char *args)
+{
+	/* !!! TODO !!! */
+	return 0;
+}
+
+// Sorted array
+static Directive Directives[] = {
+	"BYTE",      byte_handler,
+	"END",        end_handler,
+	"ENDI",      endi_handler,
+	"ENDT",      endt_handler,
+	"FSTR",      fstr_handler,
+	"FUNCT",    funct_handler,
+	"GSTR",      gstr_handler,
+	"GVAR",      gvar_handler,
+	"INSERT",  insert_handler,
+	"LEN",        len_handler,
+	"NEW",        new_handler,
+	"OBJECT",  object_handler,
+	"PROP",      prop_handler,
+	"STR",        str_handler,
+	"STRL",      strl_handler,
+	"TABLE",    table_handler,
+	"VOCBEG",  vocbeg_handler,
+	"VOCEND",  vocend_handler,
+	"WORD",      word_handler,
+	"ZWORD",    zword_handler
+};
+
+typedef struct {
+	const char *contents;
+	unsigned length;
+} Name;
+
+static int namecmp(const void *key, const void *elem)
+{
+	const Name      *p = (Name     *)key;
+	const Directive *d = (Directive*)elem;
+
+	int len1 = p->length;
+	int len2 = strlen(d->name);
+
+	int rc = memcmp(p->contents, elem, len1 < len2 ? len1 : len2);
+	return rc ? rc : (len1 - len2);
+}
+
+Directive_handler directive_lookup(const char *name, unsigned namelen)
+{
+	Name n = { name, namelen };
+	Directive *p = (Directive*)bsearch(&n, Directives, ARRAY_SIZE(Directives), sizeof(Directive), namecmp);
+	return p ? p->handler : NULL;
+}