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Remove deprecated features

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Trimming off the fat!
- GLOBAL and XDEF keywords
- Colon-less global labels
- *-comments
This commit is contained in:
ISSOtm
2021-01-02 02:42:44 +01:00
parent a70ecba06f
commit bd244e6865
3 changed files with 24 additions and 46 deletions
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51
src/asm/lexer.c
View File

@@ -1611,18 +1611,6 @@ static int yylex_NORMAL(void)
switch (c) {
/* Ignore whitespace and comments */
case '*':
if (!lexerState->atLineStart) { /* Either MUL or EXP */
secondChar = peek(0);
if (secondChar == '*') {
shiftChars(1);
return T_OP_EXP;
}
return T_OP_MUL;
}
warning(WARNING_OBSOLETE,
"'*' is deprecated for comments, please use ';' instead\n");
/* fallthrough */
case ';':
discardComment();
/* fallthrough */
@@ -1658,55 +1646,62 @@ static int yylex_NORMAL(void)
return T_COMMA;
/* Handle ambiguous 1- or 2-char tokens */
case '*': /* Either MUL or EXP */
if (peek(0) == '*') {
shiftChars(1);
return T_OP_EXP;
}
return T_OP_MUL;
case '/': /* Either division or a block comment */
secondChar = peek(0);
if (secondChar == '*') {
if (peek(0) == '*') {
shiftChars(1);
discardBlockComment();
break;
}
return T_OP_DIV;
case '|': /* Either binary or logical OR */
secondChar = peek(0);
if (secondChar == '|') {
if (peek(0) == '|') {
shiftChars(1);
return T_OP_LOGICOR;
}
return T_OP_OR;
case '=': /* Either SET alias, or EQ */
secondChar = peek(0);
if (secondChar == '=') {
if (peek(0) == '=') {
shiftChars(1);
return T_OP_LOGICEQU;
}
return T_POP_EQUAL;
case '<': /* Either a LT, LTE, or left shift */
secondChar = peek(0);
if (secondChar == '=') {
switch (peek(0)) {
case '=':
shiftChars(1);
return T_OP_LOGICLE;
} else if (secondChar == '<') {
case '<':
shiftChars(1);
return T_OP_SHL;
}
default:
return T_OP_LOGICLT;
}
case '>': /* Either a GT, GTE, or right shift */
secondChar = peek(0);
if (secondChar == '=') {
switch (peek(0)) {
case '=':
shiftChars(1);
return T_OP_LOGICGE;
} else if (secondChar == '>') {
case '>':
shiftChars(1);
return T_OP_SHR;
}
default:
return T_OP_LOGICGT;
}
case '!': /* Either a NEQ, or negation */
secondChar = peek(0);
if (secondChar == '=') {
if (peek(0) == '=') {
shiftChars(1);
return T_OP_LOGICNE;
}

3
src/asm/main.c
View File

@@ -108,9 +108,6 @@ void opt_Parse(char *s)
error("Must specify exactly 2 characters for option 'b'\n");
}
break;
case 'z':
warning(WARNING_OBSOLETE, "Option 'z' is a deprecated alias for 'p'\n");
/* fallthrough */
case 'p':
if (strlen(&s[1]) <= 2) {
int result;

16
src/asm/parser.y
View File

@@ -568,10 +568,6 @@ label : /* empty */
| T_LOCAL_ID {
sym_AddLocalLabel($1);
}
| T_LABEL {
warning(WARNING_OBSOLETE, "Non-local labels without a colon are deprecated\n");
sym_AddLabel($1);
}
| T_LOCAL_ID T_COLON {
sym_AddLocalLabel($1);
}
@@ -898,17 +894,7 @@ purge_list : purge_list_entry
purge_list_entry : scoped_id { sym_Purge($1); }
;
export : export_token export_list
;
export_token : T_POP_EXPORT
| T_POP_GLOBAL {
warning(WARNING_OBSOLETE,
"`GLOBAL` is a deprecated synonym for `EXPORT`\n");
}
| T_POP_XDEF {
warning(WARNING_OBSOLETE, "`XDEF` is a deprecated synonym for `EXPORT`\n");
}
export : T_POP_EXPORT export_list
;
export_list : export_list_entry