code.c, info.txt

code.c

@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2012 
+ * 	Dale Weiler
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is furnished to do
+ * so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "gmqcc.h"
+/*
+ * This file is empty:  This is where codegen will take place:  Once the
+ * parser is completed, right now it on;y creates parse trees.  Syntax
+ * checking and other convoluted things on the parse tree need to take
+ * place much like a parser.
+ */

info.txt

@@ -0,0 +1,12 @@
+there are 3 accessible memory zones -
+globals:
+  array of 32bit ints/floats, mixed, LE,
+entities:
+  structure is up to the engine but the fields are a linear array
+  of mixed ints/floats, there are globals referring to the offsets
+  of these in the entity struct so there are ADDRESS and STOREP and
+  LOAD instructions that use globals containing field offsets.
+strings:
+  a static array in the progs.dat, with file parsing creating
+  additional constants, and some engine fields are mapped by 
+  address as well to unique string offsets

typedef.c

@@ -25,6 +25,7 @@
 #include <limits.h>
 #include "gmqcc.h"
 static typedef_node *typedef_table[1024];
+
 void typedef_init() {
 	int i;
 	for(i = 0; i < sizeof(typedef_table)/sizeof(*typedef_table); i++)
@@ -56,14 +57,18 @@ typedef_node *typedef_find(const char *s) {
 
 void typedef_clear() {
 	int i;
-	for(i = 1024; i > 0; i--)
-		if(typedef_table[i])
+	for(i = 1024; i > 0; i--) {
+		if(typedef_table[i]) {
+			mem_d(typedef_table[i]->name);
 			mem_d(typedef_table[i]);
 		}
+	}
+}
 
 int typedef_add(const char *from, const char *to) {
 	unsigned int  hash = typedef_hash(to);
 	typedef_node *find = typedef_table[hash];
+	
 	if (find)
 		return error(ERROR_PARSE, "typedef for %s already exists or conflicts\n", to);
 	
@@ -82,7 +87,7 @@ int typedef_add(const char *from, const char *to) {
 		typedef_node *find = typedef_table[typedef_hash(from)];
 		if (find) {
 			typedef_table[hash]       = mem_a(sizeof(typedef_node));
-			typedef_table[hash]->name = strdup(find->name);
+			typedef_table[hash]->name = util_strdup(find->name);
 			return -100;
 		}
 	}

util.c

@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2012 
+ * 	Dale Weiler
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is furnished to do
+ * so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include "gmqcc.h"
+ 
+struct memblock_t {
+	const char  *file;
+	unsigned int line;
+	unsigned int byte;
+};
+
+void *util_memory_a(unsigned int byte, unsigned int line, const char *file) {
+	struct memblock_t *data = malloc(sizeof(struct memblock_t) + byte);
+	if (!data) return NULL;
+	data->line = line;
+	data->byte = byte;
+	data->file = file;
+	
+	printf("[MEM] allocation: %08u (bytes) at %s:%u\n", byte, file, line);
+	return (void*)((uintptr_t)data+sizeof(struct memblock_t));
+}
+
+void util_memory_d(void *ptrn, unsigned int line, const char *file) {
+	if (!ptrn) return;
+	void              *data = (void*)((uintptr_t)ptrn-sizeof(struct memblock_t));
+	struct memblock_t *info = (struct memblock_t*)data;
+	
+	printf("[MEM] released:   %08u (bytes) at %s:%u\n", info->byte, file, line);
+	free(data);
+}
+
+#ifndef mem_d
+#define mem_d(x) util_memory_d((x), __LINE__, __FILE__)
+#endif
+#ifndef mem_a
+#define mem_a(x) util_memory_a((x), __LINE__, __FILE__)
+#endif
+
+/*
+ * Some string utility functions, because strdup uses malloc, and we want
+ * to track all memory (without replacing malloc).
+ */
+char *util_strdup(const char *s) {
+	size_t  len;
+	char   *ptr;
+	
+	if (!s)
+		return NULL;
+		
+	len = strlen(s);
+	ptr = mem_a (len+1);
+	
+	if (ptr && len) {
+		memcpy(ptr, s, len);
+		ptr[len] = '\0';
+	}
+	
+	return ptr;
+}