1 /*****************************************************************************/
9 /* (C) 2003 Ullrich von Bassewitz */
11 /* D-70794 Filderstadt */
12 /* EMail: uz@cc65.org */
15 /* This software is provided 'as-is', without any expressed or implied */
16 /* warranty. In no event will the authors be held liable for any damages */
17 /* arising from the use of this software. */
19 /* Permission is granted to anyone to use this software for any purpose, */
20 /* including commercial applications, and to alter it and redistribute it */
21 /* freely, subject to the following restrictions: */
23 /* 1. The origin of this software must not be misrepresented; you must not */
24 /* claim that you wrote the original software. If you use this software */
25 /* in a product, an acknowledgment in the product documentation would be */
26 /* appreciated but is not required. */
27 /* 2. Altered source versions must be plainly marked as such, and must not */
28 /* be misrepresented as being the original software. */
29 /* 3. This notice may not be removed or altered from any source */
32 /*****************************************************************************/
50 /*****************************************************************************/
52 /*****************************************************************************/
57 /* Handle the .ENUM command */
60 ExprNode* NextExpr = GenLiteralExpr (0);
62 /* Check for a name */
63 int Anon = (Tok != TOK_IDENT);
65 /* Enter a new scope, then skip the name */
66 SymEnterLevel (SVal, ST_ENUM, ADDR_SIZE_ABS);
70 /* Test for end of line */
73 /* Read until end of struct */
74 while (Tok != TOK_ENDENUM && Tok != TOK_EOF) {
80 /* The format is "identifier [ = value ]" */
81 if (Tok != TOK_IDENT) {
82 ErrorSkip ("Identifier expected");
86 /* We have an identifier, generate a symbol */
87 Sym = SymFind (CurrentScope, SVal, SYM_ALLOC_NEW);
89 /* Skip the member name */
92 /* Check for an assignment */
95 /* Skip the equal sign */
98 /* Delete the old next expression */
101 /* Read the new one */
102 EnumExpr = Expression ();
110 /* Generate the next expression from the current one */
111 NextExpr = GenAddExpr (CloneExpr (EnumExpr), GenLiteralExpr (1));
112 NextExpr = SimplifyExpr (NextExpr);
114 /* Assign the value to the enum member */
115 SymDef (Sym, EnumExpr, ADDR_SIZE_DEFAULT, SF_NONE);
117 /* Expect end of line */
121 /* If this is not an anon enum, leave its scope */
123 /* Close the enum scope */
127 /* End of enum definition */
128 Consume (TOK_ENDENUM, "`.ENDENUM' expected");
130 /* Free the last (unused) enum expression */