diff options
| -rw-r--r-- | miscutils/bc.c | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/miscutils/bc.c b/miscutils/bc.c index 1c1672c..ff44293 100644 --- a/miscutils/bc.c +++ b/miscutils/bc.c @@ -992,6 +992,18 @@ static int bc_posix_error(const char *msg) { return bc_posix_error_fmt("%s", msg); } +static int bc_POSIX_does_not_allow(const char *msg) +{ + return bc_posix_error_fmt("%s%s", "POSIX does not allow ", msg); +} +static int bc_POSIX_does_not_allow_bool_ops_this_is_bad(const char *msg) +{ + return bc_posix_error_fmt("%s%s %s", "POSIX does not allow ", "boolean operators; the following is bad:", msg); +} +static int bc_POSIX_does_not_allow_empty_X_expression_in_for(const char *msg) +{ + return bc_posix_error_fmt("%san empty %s expression in a for loop", "POSIX does not allow ", msg); +} static int bc_error_bad_character(char c) { return bc_error_fmt("bad character '%c'", c); @@ -2938,8 +2950,8 @@ static BcStatus bc_lex_identifier(BcLex *l) match: // buf starts with keyword bc_lex_kws[i] l->t.t = BC_LEX_KEY_1st_keyword + i; - if ((1 << i) & POSIX_KWORD_MASK) { - s = bc_posix_error("POSIX does not allow the following keyword:"); // bc_lex_kws[i].name8 + if (!((1 << i) & POSIX_KWORD_MASK)) { + s = bc_posix_error_fmt("%sthe following keyword: '%.8s'", "POSIX does not allow ", bc_lex_kws[i].name8); if (s) return s; } @@ -2952,7 +2964,7 @@ static BcStatus bc_lex_identifier(BcLex *l) if (s) return s; if (l->t.v.len > 2) - s = bc_posix_error("POSIX only allows one character names; the following is bad:"); // buf + s = bc_posix_error_fmt("POSIX only allows one character names; the following is bad: '%s'", buf); return s; } @@ -3055,7 +3067,7 @@ static BcStatus bc_lex_token(BcLex *l) bc_lex_assign(l, BC_LEX_OP_REL_NE, BC_LEX_OP_BOOL_NOT); if (l->t.t == BC_LEX_OP_BOOL_NOT) { - s = bc_posix_error("POSIX does not allow boolean operators; the following is bad:"); // "!" + s = bc_POSIX_does_not_allow_bool_ops_this_is_bad("!"); if (s) return s; } @@ -3070,7 +3082,7 @@ static BcStatus bc_lex_token(BcLex *l) case '#': { - s = bc_posix_error("POSIX does not allow '#' script comments"); + s = bc_POSIX_does_not_allow("'#' script comments"); if (s) return s; bc_lex_lineComment(l); @@ -3089,7 +3101,7 @@ static BcStatus bc_lex_token(BcLex *l) c2 = l->buf[l->i]; if (c2 == '&') { - s = bc_posix_error("POSIX does not allow boolean operators; the following is bad:"); // "&&" + s = bc_POSIX_does_not_allow_bool_ops_this_is_bad("&&"); if (s) return s; ++l->i; @@ -3152,7 +3164,7 @@ static BcStatus bc_lex_token(BcLex *l) s = bc_lex_number(l, c); else { l->t.t = BC_LEX_KEY_LAST; - s = bc_posix_error("POSIX does not allow a period ('.') as a shortcut for the last result"); + s = bc_POSIX_does_not_allow("a period ('.') as a shortcut for the last result"); } break; } @@ -3279,7 +3291,7 @@ static BcStatus bc_lex_token(BcLex *l) c2 = l->buf[l->i]; if (c2 == '|') { - s = bc_posix_error("POSIX does not allow boolean operators; the following is bad:"); // "||" + s = bc_POSIX_does_not_allow_bool_ops_this_is_bad("||"); if (s) return s; ++l->i; @@ -4213,7 +4225,7 @@ static BcStatus bc_parse_for(BcParse *p) if (p->l.t.t != BC_LEX_SCOLON) s = bc_parse_expr(p, 0, bc_parse_next_for); else - s = bc_posix_error("POSIX does not allow an empty init expression in a for loop"); + s = bc_POSIX_does_not_allow_empty_X_expression_in_for("init"); if (s) return s; if (p->l.t.t != BC_LEX_SCOLON) return bc_error_bad_token(); @@ -4230,7 +4242,7 @@ static BcStatus bc_parse_for(BcParse *p) if (p->l.t.t != BC_LEX_SCOLON) s = bc_parse_expr(p, BC_PARSE_REL, bc_parse_next_for); else - s = bc_posix_error("POSIX does not allow an empty condition expression in a for loop"); + s = bc_POSIX_does_not_allow_empty_X_expression_in_for("condition"); if (s) return s; if (p->l.t.t != BC_LEX_SCOLON) return bc_error_bad_token(); @@ -4251,7 +4263,7 @@ static BcStatus bc_parse_for(BcParse *p) if (p->l.t.t != BC_LEX_RPAREN) s = bc_parse_expr(p, 0, bc_parse_next_rel); else - s = bc_posix_error("POSIX does not allow an empty update expression in a for loop"); + s = bc_POSIX_does_not_allow_empty_X_expression_in_for("update"); if (s) return s; @@ -4899,7 +4911,7 @@ static BcStatus bc_parse_expr(BcParse *p, uint8_t flags, BcParseNext next) ok: if (!(flags & BC_PARSE_REL) && nrelops) { - s = bc_posix_error("POSIX does not allow comparison operators outside if or loops"); + s = bc_POSIX_does_not_allow("comparison operators outside if or loops"); if (s) return s; } else if ((flags & BC_PARSE_REL) && nrelops > 1) { |