bc: rename BC_LEX_NLINE/WHITESPACE/STR/NAME/NUMBER to XC_LEX_
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
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9d9c97efbd
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23ea0734e1
@ -392,11 +392,11 @@ typedef enum BcLexType {
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XC_LEX_EOF,
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XC_LEX_INVALID,
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BC_LEX_NLINE,
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BC_LEX_WHITESPACE,
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BC_LEX_STR,
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BC_LEX_NAME,
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BC_LEX_NUMBER,
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XC_LEX_NLINE,
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XC_LEX_WHITESPACE,
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XC_LEX_STR,
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XC_LEX_NAME,
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XC_LEX_NUMBER,
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XC_LEX_1st_op,
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XC_LEX_NEG = XC_LEX_1st_op, // order
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@ -2745,7 +2745,7 @@ static void bc_lex_lineComment(BcLex *l)
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{
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// Try: echo -n '#foo' | bc
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size_t i;
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l->t.t = BC_LEX_WHITESPACE;
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l->t.t = XC_LEX_WHITESPACE;
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i = l->i;
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while (i < l->len && l->buf[i] != '\n')
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i++;
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@ -2754,10 +2754,10 @@ static void bc_lex_lineComment(BcLex *l)
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static void bc_lex_whitespace(BcLex *l)
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{
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l->t.t = BC_LEX_WHITESPACE;
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l->t.t = XC_LEX_WHITESPACE;
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for (;;) {
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char c = l->buf[l->i];
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if (c == '\n') // this is BC_LEX_NLINE, not BC_LEX_WHITESPACE
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if (c == '\n') // this is XC_LEX_NLINE, not XC_LEX_WHITESPACE
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break;
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if (!isspace(c))
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break;
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@ -2772,7 +2772,7 @@ static BC_STATUS zbc_lex_number(BcLex *l, char start)
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bool pt;
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pt = (start == '.');
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l->t.t = BC_LEX_NUMBER;
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l->t.t = XC_LEX_NUMBER;
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ccnt = i = 0;
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for (;;) {
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char c = buf[i];
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@ -2840,7 +2840,7 @@ static void bc_lex_name(BcLex *l)
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size_t i;
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const char *buf;
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l->t.t = BC_LEX_NAME;
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l->t.t = XC_LEX_NAME;
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i = 0;
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buf = l->buf + l->i - 1;
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@ -2971,7 +2971,7 @@ static BC_STATUS zbc_lex_next(BcLex *l)
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// Loop until failure or we don't have whitespace. This
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// is so the parser doesn't get inundated with whitespace.
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// Comments are also BC_LEX_WHITESPACE tokens and eaten here.
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// Comments are also XC_LEX_WHITESPACE tokens and eaten here.
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s = BC_STATUS_SUCCESS;
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do {
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if (l->i == l->len) {
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@ -2992,7 +2992,7 @@ static BC_STATUS zbc_lex_next(BcLex *l)
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} else {
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IF_DC(s = zdc_lex_token(l));
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}
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} while (!s && l->t.t == BC_LEX_WHITESPACE);
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} while (!s && l->t.t == XC_LEX_WHITESPACE);
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dbg_lex("l->t.t from string:%d", l->t.t);
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RETURN_STATUS(s);
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@ -3002,7 +3002,7 @@ static BC_STATUS zbc_lex_next(BcLex *l)
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#if ENABLE_BC
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static BC_STATUS zbc_lex_skip_if_at_NLINE(BcLex *l)
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{
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if (l->t.t == BC_LEX_NLINE)
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if (l->t.t == XC_LEX_NLINE)
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RETURN_STATUS(zbc_lex_next(l));
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RETURN_STATUS(BC_STATUS_SUCCESS);
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}
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@ -3081,7 +3081,7 @@ static BC_STATUS zbc_lex_string(BcLex *l)
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{
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size_t len, nls, i;
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l->t.t = BC_LEX_STR;
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l->t.t = XC_LEX_STR;
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nls = 0;
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i = l->i;
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@ -3129,7 +3129,7 @@ static BC_STATUS zbc_lex_comment(BcLex *l)
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size_t i, nls = 0;
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const char *buf = l->buf;
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l->t.t = BC_LEX_WHITESPACE;
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l->t.t = XC_LEX_WHITESPACE;
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i = l->i; /* here buf[l->i] is the '*' of opening comment delimiter */
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for (;;) {
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char c = buf[++i];
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@ -3169,7 +3169,7 @@ static BC_STATUS zbc_lex_token(BcLex *l)
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// l->newline = true;
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// break;
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case '\n':
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l->t.t = BC_LEX_NLINE;
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l->t.t = XC_LEX_NLINE;
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l->newline = true;
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break;
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case '\t':
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@ -3286,7 +3286,7 @@ static BC_STATUS zbc_lex_token(BcLex *l)
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break;
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case '\\':
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if (l->buf[l->i] == '\n') {
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l->t.t = BC_LEX_WHITESPACE;
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l->t.t = XC_LEX_WHITESPACE;
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++l->i;
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} else
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s = bc_error_bad_character(c);
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@ -3360,7 +3360,7 @@ static BC_STATUS zdc_lex_register(BcLex *l)
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bc_vec_pop_all(&l->t.v);
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bc_vec_push(&l->t.v, &l->buf[l->i++]);
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bc_vec_pushZeroByte(&l->t.v);
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l->t.t = BC_LEX_NAME;
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l->t.t = XC_LEX_NAME;
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}
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RETURN_STATUS(BC_STATUS_SUCCESS);
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@ -3371,7 +3371,7 @@ static BC_STATUS zdc_lex_string(BcLex *l)
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{
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size_t depth, nls, i;
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l->t.t = BC_LEX_STR;
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l->t.t = XC_LEX_STR;
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bc_vec_pop_all(&l->t.v);
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nls = 0;
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@ -3445,7 +3445,7 @@ static BC_STATUS zdc_lex_token(BcLex *l)
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// l->t.t = XC_LEX_EOF;
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// break;
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case '\n':
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// '\n' is BC_LEX_NLINE, not BC_LEX_WHITESPACE
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// '\n' is XC_LEX_NLINE, not XC_LEX_WHITESPACE
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// (and "case '\n':" is not just empty here)
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// only to allow interactive dc have a way to exit
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// "parse" stage of "parse,execute" loop
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@ -3453,7 +3453,7 @@ static BC_STATUS zdc_lex_token(BcLex *l)
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// commands are not executed on pressing <enter>).
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// IOW: typing "1p<enter>" should print "1" _at once_,
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// not after some more input.
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l->t.t = BC_LEX_NLINE;
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l->t.t = XC_LEX_NLINE;
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l->newline = true;
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break;
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case '\t':
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@ -3737,7 +3737,7 @@ static BC_STATUS zbc_parse_stmt_allow_NLINE_before(BcParse *p, const char *after
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// Same for "else", "while()", "for()".
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BcStatus s = zbc_lex_next_and_skip_NLINE(&p->l);
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if (s) RETURN_STATUS(s);
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if (p->l.t.t == BC_LEX_NLINE)
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if (p->l.t.t == XC_LEX_NLINE)
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RETURN_STATUS(bc_error_fmt("no statement after '%s'", after_X));
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RETURN_STATUS(zbc_parse_stmt(p));
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@ -4012,7 +4012,7 @@ static BC_STATUS zbc_parse_incdec(BcParse *p, BcInst *prev, bool *paren_expr,
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*nexprs = *nexprs + 1;
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switch (type) {
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case BC_LEX_NAME:
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case XC_LEX_NAME:
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s = zbc_parse_name(p, prev, flags | BC_PARSE_NOCALL);
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break;
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case BC_LEX_KEY_IBASE:
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@ -4077,7 +4077,7 @@ static BC_STATUS zbc_parse_print(BcParse *p)
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s = zbc_lex_next(&p->l);
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if (s) RETURN_STATUS(s);
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type = p->l.t.t;
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if (type == BC_LEX_STR) {
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if (type == XC_LEX_STR) {
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s = zbc_parse_pushSTR(p);
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} else {
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s = zbc_parse_expr(p, 0);
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@ -4102,7 +4102,7 @@ static BC_STATUS zbc_parse_return(BcParse *p)
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if (s) RETURN_STATUS(s);
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t = p->l.t.t;
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if (t == BC_LEX_NLINE || t == BC_LEX_SCOLON)
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if (t == XC_LEX_NLINE || t == BC_LEX_SCOLON)
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bc_parse_push(p, BC_INST_RET0);
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else {
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bool paren = (t == BC_LEX_LPAREN);
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@ -4327,7 +4327,7 @@ static BC_STATUS zbc_parse_break_or_continue(BcParse *p, BcLexType type)
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s = zbc_lex_next(&p->l);
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if (s) RETURN_STATUS(s);
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if (p->l.t.t != BC_LEX_SCOLON && p->l.t.t != BC_LEX_NLINE)
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if (p->l.t.t != BC_LEX_SCOLON && p->l.t.t != XC_LEX_NLINE)
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RETURN_STATUS(bc_error_bad_token());
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RETURN_STATUS(zbc_lex_next(&p->l));
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@ -4364,7 +4364,7 @@ static BC_STATUS zbc_parse_funcdef(BcParse *p)
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dbg_lex_enter("%s:%d entered", __func__, __LINE__);
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s = zbc_lex_next(&p->l);
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if (s) RETURN_STATUS(s);
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if (p->l.t.t != BC_LEX_NAME)
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if (p->l.t.t != XC_LEX_NAME)
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RETURN_STATUS(bc_error("bad function definition"));
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name = xstrdup(p->l.t.v.v);
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@ -4379,7 +4379,7 @@ static BC_STATUS zbc_parse_funcdef(BcParse *p)
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if (s) RETURN_STATUS(s);
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while (p->l.t.t != BC_LEX_RPAREN) {
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if (p->l.t.t != BC_LEX_NAME)
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if (p->l.t.t != XC_LEX_NAME)
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RETURN_STATUS(bc_error("bad function definition"));
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++p->func->nparams;
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@ -4459,9 +4459,9 @@ static BC_STATUS zbc_parse_auto(BcParse *p)
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if (s) RETURN_STATUS(s);
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comma = false;
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one = p->l.t.t == BC_LEX_NAME;
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one = p->l.t.t == XC_LEX_NAME;
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while (p->l.t.t == BC_LEX_NAME) {
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while (p->l.t.t == XC_LEX_NAME) {
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name = xstrdup(p->l.t.v.v);
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s = zbc_lex_next(&p->l);
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if (s) goto err;
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@ -4493,7 +4493,7 @@ static BC_STATUS zbc_parse_auto(BcParse *p)
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if (comma) RETURN_STATUS(bc_error("bad function definition"));
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if (!one) RETURN_STATUS(bc_error("no auto variable found"));
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if (p->l.t.t != BC_LEX_NLINE && p->l.t.t != BC_LEX_SCOLON)
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if (p->l.t.t != XC_LEX_NLINE && p->l.t.t != BC_LEX_SCOLON)
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RETURN_STATUS(bc_error_bad_token());
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dbg_lex_done("%s:%d done", __func__, __LINE__);
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@ -4512,8 +4512,8 @@ static BC_STATUS zbc_parse_stmt_possibly_auto(BcParse *p, bool auto_allowed)
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dbg_lex_enter("%s:%d entered, p->l.t.t:%d", __func__, __LINE__, p->l.t.t);
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if (p->l.t.t == BC_LEX_NLINE) {
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dbg_lex_done("%s:%d done (seen BC_LEX_NLINE)", __func__, __LINE__);
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if (p->l.t.t == XC_LEX_NLINE) {
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dbg_lex_done("%s:%d done (seen XC_LEX_NLINE)", __func__, __LINE__);
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RETURN_STATUS(zbc_lex_next(&p->l));
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}
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if (p->l.t.t == BC_LEX_SCOLON) {
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@ -4526,7 +4526,7 @@ static BC_STATUS zbc_parse_stmt_possibly_auto(BcParse *p, bool auto_allowed)
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do {
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s = zbc_lex_next(&p->l);
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if (s) RETURN_STATUS(s);
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} while (p->l.t.t == BC_LEX_NLINE);
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} while (p->l.t.t == XC_LEX_NLINE);
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if (auto_allowed && p->l.t.t == BC_LEX_KEY_AUTO) {
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dbg_lex("%s:%d calling zbc_parse_auto()", __func__, __LINE__);
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s = zbc_parse_auto(p);
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@ -4549,8 +4549,8 @@ static BC_STATUS zbc_parse_stmt_possibly_auto(BcParse *p, bool auto_allowed)
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case BC_LEX_OP_DEC:
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case BC_LEX_OP_BOOL_NOT:
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case BC_LEX_LPAREN:
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case BC_LEX_NAME:
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case BC_LEX_NUMBER:
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case XC_LEX_NAME:
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case XC_LEX_NUMBER:
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case BC_LEX_KEY_IBASE:
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case BC_LEX_KEY_LAST:
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case BC_LEX_KEY_LENGTH:
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@ -4560,7 +4560,7 @@ static BC_STATUS zbc_parse_stmt_possibly_auto(BcParse *p, bool auto_allowed)
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case BC_LEX_KEY_SQRT:
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s = zbc_parse_expr(p, BC_PARSE_PRINT);
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break;
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case BC_LEX_STR:
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case XC_LEX_STR:
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s = zbc_parse_pushSTR(p);
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bc_parse_push(p, XC_INST_PRINT_STR);
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break;
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@ -4738,7 +4738,7 @@ static BcStatus bc_parse_expr_empty_ok(BcParse *p, uint8_t flags)
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get_token = bin_last = false;
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s = zbc_parse_rightParen(p, ops_bgn, &nexprs);
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break;
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case BC_LEX_NAME:
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case XC_LEX_NAME:
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if (BC_PARSE_LEAF(prev, rprn))
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return bc_error_bad_expression();
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paren_expr = true;
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@ -4746,7 +4746,7 @@ static BcStatus bc_parse_expr_empty_ok(BcParse *p, uint8_t flags)
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s = zbc_parse_name(p, &prev, flags & ~BC_PARSE_NOCALL);
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++nexprs;
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break;
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case BC_LEX_NUMBER:
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case XC_LEX_NUMBER:
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if (BC_PARSE_LEAF(prev, rprn))
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return bc_error_bad_expression();
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bc_parse_pushNUM(p);
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@ -4848,7 +4848,7 @@ static BC_STATUS zdc_parse_register(BcParse *p)
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s = zbc_lex_next(&p->l);
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if (s) RETURN_STATUS(s);
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if (p->l.t.t != BC_LEX_NAME) RETURN_STATUS(bc_error_bad_token());
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if (p->l.t.t != XC_LEX_NAME) RETURN_STATUS(bc_error_bad_token());
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bc_parse_pushName(p, p->l.t.v.v);
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@ -4948,7 +4948,7 @@ static BC_STATUS zdc_parse_token(BcParse *p, BcLexType t)
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dbg_lex("%s:%d LEX_[S]COLON", __func__, __LINE__);
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s = zdc_parse_mem(p, XC_INST_ARRAY_ELEM, true, t == DC_LEX_COLON);
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break;
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case BC_LEX_STR:
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case XC_LEX_STR:
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dbg_lex("%s:%d LEX_STR", __func__, __LINE__);
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dc_parse_string(p);
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break;
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@ -4956,12 +4956,12 @@ static BC_STATUS zdc_parse_token(BcParse *p, BcLexType t)
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dbg_lex("%s:%d LEX_NEG", __func__, __LINE__);
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s = zbc_lex_next(&p->l);
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if (s) RETURN_STATUS(s);
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if (p->l.t.t != BC_LEX_NUMBER)
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if (p->l.t.t != XC_LEX_NUMBER)
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RETURN_STATUS(bc_error_bad_token());
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bc_parse_pushNUM(p);
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bc_parse_push(p, XC_INST_NEG);
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break;
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case BC_LEX_NUMBER:
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case XC_LEX_NUMBER:
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dbg_lex("%s:%d LEX_NUMBER", __func__, __LINE__);
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bc_parse_pushNUM(p);
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break;
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@ -5252,7 +5252,7 @@ static BC_STATUS zbc_program_read(void)
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}
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if (s) goto exec_err;
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if (parse.l.t.t != BC_LEX_NLINE && parse.l.t.t != XC_LEX_EOF) {
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if (parse.l.t.t != XC_LEX_NLINE && parse.l.t.t != XC_LEX_EOF) {
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s = bc_error("bad read() expression");
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goto exec_err;
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}
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@ -6733,7 +6733,7 @@ static BC_STATUS zbc_vm_process(const char *text)
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} else {
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// Most of dc parsing assumes all whitespace,
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// including '\n', is eaten.
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while (G.prs.l.t.t == BC_LEX_NLINE) {
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while (G.prs.l.t.t == XC_LEX_NLINE) {
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s = zbc_lex_next(&G.prs.l);
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if (s) goto err;
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if (G.prs.l.t.t == XC_LEX_EOF)
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