diff options
Diffstat (limited to 'scripts/config/expr.c')
| -rw-r--r-- | scripts/config/expr.c | 90 |
1 files changed, 61 insertions, 29 deletions
diff --git a/scripts/config/expr.c b/scripts/config/expr.c index 30e4f9d69c..98c7ddb91e 100644 --- a/scripts/config/expr.c +++ b/scripts/config/expr.c @@ -145,7 +145,8 @@ static void __expr_eliminate_eq(enum expr_type type, struct expr **ep1, struct e return; } if (e1->type == E_SYMBOL && e2->type == E_SYMBOL && - e1->left.sym == e2->left.sym && (e1->left.sym->flags & (SYMBOL_YES|SYMBOL_NO))) + e1->left.sym == e2->left.sym && + (e1->left.sym == &symbol_yes || e1->left.sym == &symbol_no)) return; if (!expr_eq(e1, e2)) return; @@ -347,7 +348,7 @@ struct expr *expr_trans_bool(struct expr *e) /* * e1 || e2 -> ? */ -struct expr *expr_join_or(struct expr *e1, struct expr *e2) +static struct expr *expr_join_or(struct expr *e1, struct expr *e2) { struct expr *tmp; struct symbol *sym1, *sym2; @@ -411,7 +412,7 @@ struct expr *expr_join_or(struct expr *e1, struct expr *e2) return NULL; } -struct expr *expr_join_and(struct expr *e1, struct expr *e2) +static struct expr *expr_join_and(struct expr *e1, struct expr *e2) { struct expr *tmp; struct symbol *sym1, *sym2; @@ -1012,73 +1013,79 @@ int expr_compare_type(enum expr_type t1, enum expr_type t2) #endif } -void expr_print(struct expr *e, void (*fn)(void *, const char *), void *data, int prevtoken) +void expr_print(struct expr *e, void (*fn)(void *, struct symbol *, const char *), void *data, int prevtoken) { if (!e) { - fn(data, "y"); + fn(data, NULL, "y"); return; } if (expr_compare_type(prevtoken, e->type) > 0) - fn(data, "("); + fn(data, NULL, "("); switch (e->type) { case E_SYMBOL: if (e->left.sym->name) - fn(data, e->left.sym->name); + fn(data, e->left.sym, e->left.sym->name); else - fn(data, "<choice>"); + fn(data, NULL, "<choice>"); break; case E_NOT: - fn(data, "!"); + fn(data, NULL, "!"); expr_print(e->left.expr, fn, data, E_NOT); break; case E_EQUAL: - fn(data, e->left.sym->name); - fn(data, "="); - fn(data, e->right.sym->name); + if (e->left.sym->name) + fn(data, e->left.sym, e->left.sym->name); + else + fn(data, NULL, "<choice>"); + fn(data, NULL, "="); + fn(data, e->right.sym, e->right.sym->name); break; case E_UNEQUAL: - fn(data, e->left.sym->name); - fn(data, "!="); - fn(data, e->right.sym->name); + if (e->left.sym->name) + fn(data, e->left.sym, e->left.sym->name); + else + fn(data, NULL, "<choice>"); + fn(data, NULL, "!="); + fn(data, e->right.sym, e->right.sym->name); break; case E_OR: expr_print(e->left.expr, fn, data, E_OR); - fn(data, " || "); + fn(data, NULL, " || "); expr_print(e->right.expr, fn, data, E_OR); break; case E_AND: expr_print(e->left.expr, fn, data, E_AND); - fn(data, " && "); + fn(data, NULL, " && "); expr_print(e->right.expr, fn, data, E_AND); break; case E_CHOICE: - fn(data, e->right.sym->name); + fn(data, e->right.sym, e->right.sym->name); if (e->left.expr) { - fn(data, " ^ "); + fn(data, NULL, " ^ "); expr_print(e->left.expr, fn, data, E_CHOICE); } break; case E_RANGE: - fn(data, "["); - fn(data, e->left.sym->name); - fn(data, " "); - fn(data, e->right.sym->name); - fn(data, "]"); + fn(data, NULL, "["); + fn(data, e->left.sym, e->left.sym->name); + fn(data, NULL, " "); + fn(data, e->right.sym, e->right.sym->name); + fn(data, NULL, "]"); break; default: { char buf[32]; sprintf(buf, "<unknown type %d>", e->type); - fn(data, buf); + fn(data, NULL, buf); break; } } if (expr_compare_type(prevtoken, e->type) > 0) - fn(data, ")"); + fn(data, NULL, ")"); } -static void expr_print_file_helper(void *data, const char *str) +static void expr_print_file_helper(void *data, struct symbol *sym, const char *str) { fwrite(str, strlen(str), 1, data); } @@ -1088,9 +1095,34 @@ void expr_fprint(struct expr *e, FILE *out) expr_print(e, expr_print_file_helper, out, E_NONE); } -static void expr_print_gstr_helper(void *data, const char *str) +static void expr_print_gstr_helper(void *data, struct symbol *sym, const char *str) { - str_append((struct gstr*)data, str); + struct gstr *gs = (struct gstr*)data; + const char *sym_str = NULL; + + if (sym) + sym_str = sym_get_string_value(sym); + + if (gs->max_width) { + unsigned extra_length = strlen(str); + const char *last_cr = strrchr(gs->s, '\n'); + unsigned last_line_length; + + if (sym_str) + extra_length += 4 + strlen(sym_str); + + if (!last_cr) + last_cr = gs->s; + + last_line_length = strlen(gs->s) - (last_cr - gs->s); + + if ((last_line_length + extra_length) > gs->max_width) + str_append(gs, "\\\n"); + } + + str_append(gs, str); + if (sym && sym->type != S_UNKNOWN) + str_printf(gs, " [=%s]", sym_str); } void expr_gstr_print(struct expr *e, struct gstr *gs) |