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-rw-r--r--filter/data.c43
-rw-r--r--filter/data.h2
-rw-r--r--filter/decl.m429
-rw-r--r--filter/f-inst.h4
-rw-r--r--filter/filter.c2
5 files changed, 71 insertions, 9 deletions
diff --git a/filter/data.c b/filter/data.c
index db55070f..62edd9e0 100644
--- a/filter/data.c
+++ b/filter/data.c
@@ -25,6 +25,49 @@
#include "filter/f-inst.h"
#include "filter/data.h"
+static const char * const f_type_str[] = {
+ [T_VOID] = "void",
+
+ [T_INT] = "int",
+ [T_BOOL] = "bool",
+ [T_PAIR] = "pair",
+ [T_QUAD] = "quad",
+
+ [T_ENUM_RTS] = "enum rts",
+ [T_ENUM_BGP_ORIGIN] = "enum bgp_origin",
+ [T_ENUM_SCOPE] = "enum scope",
+ [T_ENUM_RTC] = "enum rtc",
+ [T_ENUM_RTD] = "enum rtd",
+ [T_ENUM_ROA] = "enum roa",
+ [T_ENUM_NETTYPE] = "enum nettype",
+ [T_ENUM_RA_PREFERENCE] = "enum ra_preference",
+ [T_ENUM_AF] = "enum af",
+
+ [T_IP] = "ip",
+ [T_NET] = "prefix",
+ [T_STRING] = "string",
+ [T_PATH_MASK] = "bgpmask",
+ [T_PATH] = "bgppath",
+ [T_CLIST] = "clist",
+ [T_EC] = "ec",
+ [T_ECLIST] = "eclist",
+ [T_LC] = "lc",
+ [T_LCLIST] = "lclist",
+ [T_RD] = "rd",
+};
+
+const char *
+f_type_name(enum f_type t)
+{
+ if (t < ARRAY_SIZE(f_type_str))
+ return f_type_str[t] ?: "?";
+
+ if ((t == T_SET) || (t == T_PREFIX_SET))
+ return "set";
+
+ return "?";
+}
+
const struct f_val f_const_empty_path = {
.type = T_PATH,
.val.ad = &null_adata,
diff --git a/filter/data.h b/filter/data.h
index db6b6e12..578ff98f 100644
--- a/filter/data.h
+++ b/filter/data.h
@@ -167,6 +167,8 @@ void trie_format(const struct f_trie *t, buffer *buf);
#define F_CMP_ERROR 999
+const char *f_type_name(enum f_type t);
+
int val_same(const struct f_val *v1, const struct f_val *v2);
int val_compare(const struct f_val *v1, const struct f_val *v2);
void val_format(const struct f_val *v, buffer *buf);
diff --git a/filter/decl.m4 b/filter/decl.m4
index 5618dafa..a78450a3 100644
--- a/filter/decl.m4
+++ b/filter/decl.m4
@@ -104,7 +104,7 @@ FID_STRUCT_IN()m4_dnl
struct f_inst * f$1;
FID_NEW_ARGS()m4_dnl
, struct f_inst * f$1
-FID_NEW_BODY
+FID_NEW_BODY()m4_dnl
whati->f$1 = f$1;
for (const struct f_inst *child = f$1; child; child = child->next) {
what->size += child->size;
@@ -164,10 +164,19 @@ m4_define(ARG, `ARG_ANY($1) ARG_TYPE($1,$2)')
m4_define(ARG_TYPE, `
FID_NEW_BODY()m4_dnl
if (f$1->type && (f$1->type != ($2)) && !f_const_promotion(f$1, ($2)))
- cf_error("Argument $1 of instruction %s must be of type $2, got 0x%02x", f_instruction_name(what->fi_code), f$1->type);
+ cf_error("Argument $1 of %s must be of type %s, got type %s",
+ f_instruction_name(what->fi_code), f_type_name($2), f_type_name(f$1->type));
FID_INTERPRET_EXEC()m4_dnl
if (v$1.type != ($2))
- runtime("Argument $1 of instruction %s must be of type $2, got 0x%02x", f_instruction_name(what->fi_code), v$1.type)m4_dnl
+ runtime("Argument $1 of %s must be of type %s, got type %s",
+ f_instruction_name(what->fi_code), f_type_name($2), f_type_name(v$1.type));
+FID_INTERPRET_BODY()')
+
+m4_define(ARG_SAME_TYPE, `
+FID_NEW_BODY()m4_dnl
+if (f$1->type && f$2->type && (f$1->type != f$2->type) &&
+ !f_const_promotion(f$2, f$1->type) && !f_const_promotion(f$1, f$2->type))
+ cf_error("Arguments $1 and $2 of %s must be of the same type", f_instruction_name(what->fi_code));
FID_INTERPRET_BODY()')
# Executing another filter line. This replaces the recursion
@@ -217,10 +226,16 @@ m4_define(ERROR,
`m4_errprint(m4___file__:m4___line__: $*
)m4_m4exit(1)')
+# This macro specifies result type and makes there are no conflicting definitions
m4_define(RESULT_TYPE,
`m4_ifdef([[INST_RESULT_TYPE]],
[[m4_ifelse(INST_RESULT_TYPE,$1,,[[ERROR([[Multiple type definitons]])]])]],
- [[m4_define(INST_RESULT_TYPE,$1) FID_NEW_BODY() what->type = $1;FID_INTERPRET_BODY()]])')
+ [[m4_define(INST_RESULT_TYPE,$1) RESULT_TYPE_($1)]])')
+
+m4_define(RESULT_TYPE_, `
+FID_NEW_BODY()m4_dnl
+what->type = $1;
+FID_INTERPRET_BODY()')
# Some common filter instruction members
m4_define(SYMBOL, `FID_MEMBER(struct symbol *, sym, [[strcmp(f1->sym->name, f2->sym->name) || (f1->sym->class != f2->sym->class)]], "symbol %s", item->sym->name)')
@@ -420,7 +435,7 @@ FID_WR_PUT(5)
};
const char *
-f_instruction_name(enum f_instruction_code fi)
+f_instruction_name_(enum f_instruction_code fi)
{
if (fi < (sizeof(f_instruction_name_str) / sizeof(f_instruction_name_str[0])))
return f_instruction_name_str[fi];
@@ -494,7 +509,7 @@ void f_dump_line(const struct f_line *dest, uint indent)
debug("%sFilter line %p (len=%u)\n", INDENT, dest, dest->len);
for (uint i=0; i<dest->len; i++) {
const struct f_line_item *item = &dest->items[i];
- debug("%sInstruction %s at line %u\n", INDENT, f_instruction_name(item->fi_code), item->lineno);
+ debug("%sInstruction %s at line %u\n", INDENT, f_instruction_name_(item->fi_code), item->lineno);
switch (item->fi_code) {
FID_WR_PUT(7)
default: bug("Unknown instruction %x in f_dump_line", item->fi_code);
@@ -529,7 +544,7 @@ f_linearize_concat(const struct f_inst * const inst[], uint count)
for (uint i=0; i<count; i++)
out->len = linearize(out, inst[i], out->len);
-#if DEBUGGING
+#ifdef LOCAL_DEBUG
f_dump_line(out, 0);
#endif
return out;
diff --git a/filter/f-inst.h b/filter/f-inst.h
index 33fcf4a9..8be8443b 100644
--- a/filter/f-inst.h
+++ b/filter/f-inst.h
@@ -29,7 +29,9 @@ enum f_instruction_flags {
#define f_new_inst(...) MACRO_CONCAT_AFTER(f_new_inst_, MACRO_FIRST(__VA_ARGS__))(__VA_ARGS__)
/* Convert the instruction back to the enum name */
-const char *f_instruction_name(enum f_instruction_code fi);
+const char *f_instruction_name_(enum f_instruction_code fi);
+static inline const char *f_instruction_name(enum f_instruction_code fi)
+{ return f_instruction_name_(fi) + 3; }
/* Filter structures for execution */
/* Line of instructions to be unconditionally executed one after another */
diff --git a/filter/filter.c b/filter/filter.c
index 60e351f9..ad9588b2 100644
--- a/filter/filter.c
+++ b/filter/filter.c
@@ -174,7 +174,7 @@ interpret(struct filter_state *fs, const struct f_line *line, struct f_val *val)
#define curline fstk->estk[fstk->ecnt-1]
-#if DEBUGGING
+#ifdef LOCAL_DEBUG
debug("Interpreting line.");
f_dump_line(line, 1);
#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-16 23:21:13 +0000