diff options
Diffstat (limited to 'editors')
-rw-r--r-- | editors/awk.c | 64 |
1 files changed, 36 insertions, 28 deletions
diff --git a/editors/awk.c b/editors/awk.c index 20672db..cd135ef 100644 --- a/editors/awk.c +++ b/editors/awk.c @@ -432,7 +432,8 @@ static const char tokenlist[] ALIGN1 = static const uint32_t tokeninfo[] ALIGN4 = { 0, 0, - OC_REGEXP, +#define TI_REGEXP OC_REGEXP + TI_REGEXP, xS|'a', xS|'w', xS|'|', OC_UNARY|xV|P(9)|'p', OC_UNARY|xV|P(9)|'m', #define TI_PREINC (OC_UNARY|xV|P(9)|'P') @@ -443,12 +444,17 @@ static const uint32_t tokeninfo[] ALIGN4 = { OC_BINARY|NV|P(29)|'+', OC_BINARY|NV|P(29)|'-', OC_REPLACE|NV|P(74)|'&', OC_BINARY|NV|P(15)|'&', OC_BINARY|NV|P(25)|'/', OC_BINARY|NV|P(25)|'%', OC_BINARY|NV|P(15)|'&', OC_BINARY|NV|P(25)|'*', OC_COMPARE|VV|P(39)|4, OC_COMPARE|VV|P(39)|3, OC_COMPARE|VV|P(39)|0, OC_COMPARE|VV|P(39)|1, -#define TI_LESS (OC_COMPARE|VV|P(39)|2) +#define TI_LESS (OC_COMPARE|VV|P(39)|2) TI_LESS, OC_MATCH|Sx|P(45)|'!', OC_MATCH|Sx|P(45)|'~', OC_LAND|Vx|P(55), - OC_LOR|Vx|P(59), OC_TERNARY|Vx|P(64)|'?', OC_COLON|xx|P(67)|':', - OC_IN|SV|P(49), /* TC_IN */ - OC_COMMA|SS|P(80), - OC_PGETLINE|SV|P(37), +#define TI_TERNARY (OC_TERNARY|Vx|P(64)|'?') +#define TI_COLON (OC_COLON|xx|P(67)|':') + OC_LOR|Vx|P(59), TI_TERNARY, TI_COLON, +#define TI_IN (OC_IN|SV|P(49)) + TI_IN, +#define TI_COMMA (OC_COMMA|SS|P(80)) + TI_COMMA, +#define TI_PGETLINE (OC_PGETLINE|SV|P(37)) + TI_PGETLINE, OC_UNARY|xV|P(19)|'+', OC_UNARY|xV|P(19)|'-', OC_UNARY|xV|P(19)|'!', 0, /* ] */ 0, @@ -456,7 +462,8 @@ static const uint32_t tokeninfo[] ALIGN4 = { 0, 0, /* \n */ ST_IF, ST_DO, ST_FOR, OC_BREAK, - OC_CONTINUE, OC_DELETE|Rx, OC_PRINT, +#define TI_PRINT OC_PRINT + OC_CONTINUE, OC_DELETE|Rx, TI_PRINT, OC_PRINTF, OC_NEXT, OC_NEXTFILE, OC_RETURN|Vx, OC_EXIT|Nx, ST_WHILE, @@ -465,8 +472,8 @@ static const uint32_t tokeninfo[] ALIGN4 = { // Highest byte bit pattern: nn s3s2s1 v3v2v1 // nn - min. number of args, sN - resolve Nth arg to string, vN - resolve to var // OC_F's are builtins with zero or one argument. -// |Rx| enforces that arg is present for: system, close, cos, sin, exp, int, log, sqrt. -// Check for no args is present in builtins' code (not in this table): rand, systime. +// |Rx| enforces that arg is present for: system, close, cos, sin, exp, int, log, sqrt +// Check for no args is present in builtins' code (not in this table): rand, systime // Have one _optional_ arg: fflush, srand, length #define OC_B OC_BUILTIN #define OC_F OC_FBLTIN @@ -1310,7 +1317,7 @@ static node *new_node(uint32_t info) static void mk_re_node(const char *s, node *n, regex_t *re) { - n->info = OC_REGEXP; + n->info = TI_REGEXP; n->l.re = re; n->r.ire = re + 1; xregcomp(re, s, REG_EXTENDED); @@ -1360,12 +1367,13 @@ static node *parse_expr(uint32_t term_tc) * previous operators with higher priority */ vn = cn; while (((t_info & PRIMASK) > (vn->a.n->info & PRIMASK2)) - || ((t_info == vn->info) && ((t_info & OPCLSMASK) == OC_COLON)) + || ((t_info == vn->info) && t_info == TI_COLON) ) { vn = vn->a.n; if (!vn->a.n) syntax_error(EMSG_UNEXP_TOKEN); } - if ((t_info & OPCLSMASK) == OC_TERNARY) + if (t_info == TI_TERNARY) +//TODO: why? t_info += P(6); cn = vn->a.n->r.n = new_node(t_info); cn->a.n = vn->a.n; @@ -1378,7 +1386,7 @@ static node *parse_expr(uint32_t term_tc) // awk 'BEGIN { length("qwe") = 1 }' // awk 'BEGIN { (1+1) += 3 }' expected_tc = TS_OPERAND | TS_UOPPRE | TC_REGEXP; - if ((t_info & OPCLSMASK) == OC_PGETLINE) { + if (t_info == TI_PGETLINE) { /* it's a pipe */ next_token(TC_GETLINE); /* give maximum priority to this pipe */ @@ -1630,7 +1638,7 @@ static void chain_group(void) next_token(TC_LPAREN); n2 = parse_expr(TC_SEMICOL | TC_RPAREN); if (t_tclass & TC_RPAREN) { /* for-in */ - if (!n2 || (n2->info & OPCLSMASK) != OC_IN) + if (!n2 || n2->info != TI_IN) syntax_error(EMSG_UNEXP_TOKEN); n = chain_node(OC_WALKINIT | VV); n->l.n = n2->l.n; @@ -1834,7 +1842,7 @@ static node *mk_splitter(const char *s, tsplitter *spl) re = &spl->re[0]; ire = &spl->re[1]; n = &spl->n; - if ((n->info & OPCLSMASK) == OC_REGEXP) { + if (n->info == TI_REGEXP) { regfree(re); regfree(ire); // TODO: nuke ire, use re+1? } @@ -1858,7 +1866,7 @@ static regex_t *as_regex(node *op, regex_t *preg) int cflags; const char *s; - if ((op->info & OPCLSMASK) == OC_REGEXP) { + if (op->info == TI_REGEXP) { return icase ? op->r.ire : op->l.re; } @@ -1968,7 +1976,7 @@ static int awk_split(const char *s, node *spl, char **slist) c[2] = '\n'; n = 0; - if ((spl->info & OPCLSMASK) == OC_REGEXP) { /* regex split */ + if (spl->info == TI_REGEXP) { /* regex split */ if (!*s) return n; /* "": zero fields */ n++; /* at least one field will be there */ @@ -2135,7 +2143,7 @@ static node *nextarg(node **pn) node *n; n = *pn; - if (n && (n->info & OPCLSMASK) == OC_COMMA) { + if (n && n->info == TI_COMMA) { *pn = n->r.n; n = n->l.n; } else { @@ -2229,7 +2237,7 @@ static int awk_getline(rstream *rsm, var *v) so = eo = p; r = 1; if (p > 0) { - if ((rsplitter.n.info & OPCLSMASK) == OC_REGEXP) { + if (rsplitter.n.info == TI_REGEXP) { if (regexec(icase ? rsplitter.n.r.ire : rsplitter.n.l.re, b, 1, pmatch, 0) == 0) { so = pmatch[0].rm_so; @@ -2575,8 +2583,8 @@ static NOINLINE var *exec_builtin(node *op, var *res) char *s, *s1; if (nargs > 2) { - spl = (an[2]->info & OPCLSMASK) == OC_REGEXP ? - an[2] : mk_splitter(getvar_s(evaluate(an[2], TMPVAR2)), &tspl); + spl = (an[2]->info == TI_REGEXP) ? an[2] + : mk_splitter(getvar_s(evaluate(an[2], TMPVAR2)), &tspl); } else { spl = &fsplitter.n; } @@ -2860,7 +2868,7 @@ static var *evaluate(node *op, var *res) /* test pattern */ case XC( OC_TEST ): debug_printf_eval("TEST\n"); - if ((op1->info & OPCLSMASK) == OC_COMMA) { + if (op1->info == TI_COMMA) { /* it's range pattern */ if ((opinfo & OF_CHECKED) || ptest(op1->l.n)) { op->info |= OF_CHECKED; @@ -2921,7 +2929,7 @@ static var *evaluate(node *op, var *res) F = rsm->F; } - if ((opinfo & OPCLSMASK) == OC_PRINT) { + if (opinfo == TI_PRINT) { if (!op1) { fputs(getvar_s(intvar[F0]), F); } else { @@ -2940,7 +2948,7 @@ static var *evaluate(node *op, var *res) } } fputs(getvar_s(intvar[ORS]), F); - } else { /* OC_PRINTF */ + } else { /* PRINTF */ char *s = awk_printf(op1, &len); #if ENABLE_FEATURE_AWK_GNU_EXTENSIONS fwrite(s, len, 1, F); @@ -3064,7 +3072,7 @@ static var *evaluate(node *op, var *res) case XC( OC_TERNARY ): debug_printf_eval("TERNARY\n"); - if ((op->r.n->info & OPCLSMASK) != OC_COLON) + if (op->r.n->info != TI_COLON) syntax_error(EMSG_POSSIBLE_ERROR); res = evaluate(istrue(L.v) ? op->r.n->l.n : op->r.n->r.n, res); break; @@ -3122,7 +3130,7 @@ static var *evaluate(node *op, var *res) if (op1) { rsm = newfile(L.s); if (!rsm->F) { - if ((opinfo & OPCLSMASK) == OC_PGETLINE) { + if (opinfo == TI_PGETLINE) { rsm->F = popen(L.s, "r"); rsm->is_pipe = TRUE; } else { @@ -3158,7 +3166,7 @@ static var *evaluate(node *op, var *res) double R_d = R_d; /* for compiler */ debug_printf_eval("FBLTIN\n"); - if (op1 && (op1->info & OPCLSMASK) == OC_COMMA) + if (op1 && op1->info == TI_COMMA) /* Simple builtins take one arg maximum */ syntax_error("Too many arguments"); @@ -3358,7 +3366,7 @@ static var *evaluate(node *op, var *res) case XC( OC_COMMA ): { const char *sep = ""; debug_printf_eval("COMMA\n"); - if ((opinfo & OPCLSMASK) == OC_COMMA) + if (opinfo == TI_COMMA) sep = getvar_s(intvar[SUBSEP]); setvar_p(res, xasprintf("%s%s%s", L.s, sep, R.s)); break; |