--- a/lwasm/lwasm.h	Wed Dec 09 03:59:26 2009 +0000
+++ b/lwasm/lwasm.h	Sat Dec 19 06:38:43 2009 +0000
@@ -78,6 +78,26 @@
 	macrotab_t *next;
 };
 
+// structure for tracking structs
+struct struct_sym_e;
+
+typedef struct structtab_s structtab_t;
+struct structtab_s
+{
+	char *name;
+	int size;
+	struct struct_sym_e *fields;
+	structtab_t *next;
+};
+
+struct struct_sym_e
+{
+	char *name;
+	int size;
+	structtab_t *substruct;
+	struct struct_sym_e *next;
+};
+
 // structure for tracking errors
 typedef struct lwasm_error_s lwasm_error_t;
 struct lwasm_error_s
@@ -131,6 +151,7 @@
 #define SYMBOL_NORM		0	// no flags
 #define SYMBOL_EXTERN	8	// the symbol is an external reference
 #define SYMBOL_GLOBAL	16	// force global if non-complex symbol
+#define SYMBOL_NOCHECK	32	// don't check characters for validity
 typedef struct lwasm_symbol_ent_s lwasm_symbol_ent_t;
 struct lwasm_symbol_ent_s
 {
@@ -162,6 +183,8 @@
 	lwasm_symbol_ent_t *symtail;	// last entry in symbol table
 	
 	macrotab_t *macros;			// macro table
+	structtab_t *structs;		// structure table
+	structtab_t *cstruct;		// address within the current structure def
 
 	const char *infile;			// input file
 	const char *outfile;		// output file
@@ -178,6 +201,7 @@
 	int macroex;				// current depth of macro expansion
 	int nextcontext;			// next context number
 	int skiplines;				// number of lines to skip
+	int instruct;				// are we currently in a structure def?
 	
 	// items used only for the "object" target
 	sectiontab_t *sections;		// pointer to section table