some work on char type

1 files changed, 19 insertions, 2 deletions

diff --git a/ecomp-c/ec.c b/ecomp-c/ec.c
index f560d6b..61791f8 100644
--- a/ecomp-c/ec.c
+++ b/ecomp-c/ec.c
@@ -533,6 +533,7 @@ typedef struct Symbol {
 	int value;
 	/* variable */
 	int initialized;
+	int size;
 } Symbol;
 
 typedef struct Scope {
@@ -629,6 +630,7 @@ static Symbol *insert_symbol( Scope *scope, char *name, SymbolClass class )
 	sym->name = Allocate( strlen( name ) + 1 );
 	strlcpy( sym->name, name, strlen( name ) + 1 );	
 	sym->initialized = 0;
+	sym->size = 0;
 	sym->next = scope->symbol;
 	scope->symbol = sym;
 	
@@ -1303,9 +1305,11 @@ static void register_internal_types( Scope *scope )
 {
 	Symbol *type_symbol, *const_symbol;
 	
-	insert_symbol( current_scope, "integer", SYMBOL_CLASS_TYPE );	
+	type_symbol = insert_symbol( current_scope, "integer", SYMBOL_CLASS_TYPE );	
+	type_symbol->size = 4;
 
 	type_symbol = insert_symbol( current_scope, "boolean", SYMBOL_CLASS_TYPE );
+	type_symbol->size = 1;
 	
 	const_symbol = insert_symbol( current_scope, "false", SYMBOL_CLASS_CONSTANT );
 	const_symbol->type = type_symbol;
@@ -1314,6 +1318,9 @@ static void register_internal_types( Scope *scope )
 	const_symbol = insert_symbol( current_scope, "true", SYMBOL_CLASS_CONSTANT );
 	const_symbol->type = type_symbol;
 	const_symbol->value = 1;
+	
+	type_symbol = insert_symbol( current_scope, "char", SYMBOL_CLASS_TYPE );
+	type_symbol->size = 1;
 }
 
 static void init( void ) 
@@ -1346,7 +1353,17 @@ static void epilogue( void )
 	symbol = current_scope->symbol;
 	while( symbol != NULL ) {
 		if( symbol->class == SYMBOL_CLASS_VARIABLE ) {
-			Emit( "%s: dd $00000000\n", symbol->name ); 
+			switch( symbol->type->size ) {
+				case 4:
+					Emit( "%s: dd $00000000\n", symbol->name );
+					break;
+				case 1:
+					Emit( "%s: db $00\n", symbol->name );
+					break;
+				default:
+					Abort( "Unhandled size of type '%s' in variable '%s'",
+						symbol->type->name, symbol->name ); 
+			}
 		}
 		symbol = symbol->next;
 	}