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Mark FEprogram_error as noreturn.

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This commit is contained in:
Juan Jose Garcia Ripoll 2010-02-04 00:31:03 +01:00
parent a2337a4d93
commit 7d9fb8bbc7
9 changed files with 93 additions and 64 deletions
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2
src/c/apply.d
View file

@ -665,7 +665,7 @@ APPLY_fixed(cl_narg n, cl_object (*fn)(), cl_object *x)
x[50],x[51],x[52],x[53],x[54],x[55],x[56],
x[57],x[58],x[59],x[60],x[61],x[62],x[63]);
default:
FEprogram_error("Too many arguments", 0);
FEprogram_error_noreturn("Too many arguments", 0);
}
}
#endif

5
src/c/cfun.d
View file

@ -33,8 +33,9 @@ ecl_make_cfun(cl_objectfn_fixed c_function, cl_object name, cl_object cblock, in
cf->cfunfixed.file = Cnil;
cf->cfunfixed.file_position = MAKE_FIXNUM(-1);
cf->cfunfixed.narg = narg;
if (narg < 0 || narg > C_ARGUMENTS_LIMIT)
FEprogram_error("ecl_make_cfun: function requires too many arguments.",0);
if (__builtin_expect(narg < 0 || narg > C_ARGUMENTS_LIMIT, 0))
FEprogram_error_noreturn("ecl_make_cfun: function requires "
"too many arguments.",0);
return cf;
}

15
src/c/cmpaux.d
View file

@ -231,8 +231,9 @@ cl_parse_key(
for (; args[0].narg > 1; ) {
cl_object keyword = cl_va_arg(args);
cl_object value = cl_va_arg(args);
if (!SYMBOLP(keyword))
FEprogram_error("LAMBDA: Keyword expected, got ~S.", 1, keyword);
if (__builtin_expect(!SYMBOLP(keyword), 0))
FEprogram_error_noreturn("LAMBDA: Keyword expected, got ~S.",
1, keyword);
if (rest != NULL) {
rest = &ECL_CONS_CDR(*rest = ecl_list1(keyword));
rest = &ECL_CONS_CDR(*rest = ecl_list1(value));
@ -254,10 +255,10 @@ cl_parse_key(
unknown_keyword = keyword;
goon:;
}
if (args[0].narg != 0)
FEprogram_error("Odd number of keys", 0);
if (unknown_keyword != OBJNULL && !allow_other_keys &&
(supplied_allow_other_keys == Cnil ||
supplied_allow_other_keys == OBJNULL))
if (__builtin_expect(args[0].narg != 0, 0))
FEprogram_error_noreturn("Odd number of keys", 0);
if (__builtin_expect(unknown_keyword != OBJNULL && !allow_other_keys &&
(supplied_allow_other_keys == Cnil ||
supplied_allow_other_keys == OBJNULL), 0))
FEprogram_error("Unknown keyword ~S", 1, unknown_keyword);
}

83
src/c/compiler.d
View file

@ -216,8 +216,8 @@ asm_clear(cl_env_ptr env, cl_index h) {
static void
asm_op2(cl_env_ptr env, int code, int n) {
if (n < -MAX_OPARG || MAX_OPARG < n)
FEprogram_error("Argument to bytecode is too large", 0);
if (__builtin_expect(n < -MAX_OPARG || MAX_OPARG < n, 0))
FEprogram_error_noreturn("Argument to bytecode is too large", 0);
asm_op(env, code);
asm_arg(env, n);
}
@ -241,10 +241,10 @@ asm_jmp(cl_env_ptr env, int op) {
static void
asm_complete(cl_env_ptr env, int op, cl_index pc) {
cl_fixnum delta = current_pc(env) - pc; /* [1] */
if (op && (asm_ref(env, pc-1) != op))
FEprogram_error("Non matching codes in ASM-COMPLETE2", 0);
else if (delta < -MAX_OPARG || delta > MAX_OPARG)
FEprogram_error("Too large jump", 0);
if (__builtin_expect(op && (asm_ref(env, pc-1) != op), 0))
FEprogram_error_noreturn("Non matching codes in ASM-COMPLETE2", 0);
else if (__builtin_expect(delta < -MAX_OPARG || delta > MAX_OPARG, 0))
FEprogram_error_noreturn("Too large jump", 0);
else {
#ifdef ECL_SMALL_BYTECODES
unsigned char low = delta & 0xFF;
@ -329,19 +329,19 @@ static void
assert_type_symbol(cl_object v)
{
if (type_of(v) != t_symbol)
FEprogram_error("Expected a symbol, found ~S.", 1, v);
FEprogram_error_noreturn("Expected a symbol, found ~S.", 1, v);
}
static void
FEillegal_variable_name(cl_object v)
{
FEprogram_error("Not a valid variable name ~S.", 1, v);
FEprogram_error_noreturn("Not a valid variable name ~S.", 1, v);
}
static void
FEill_formed_input()
{
FEprogram_error("Syntax error: list with too few elements or improperly terminated.", 0);
FEprogram_error_noreturn("Syntax error: list with too few elements or improperly terminated.", 0);
}
static int
@ -633,8 +633,9 @@ c_var_ref(cl_env_ptr env, cl_object var, int allow_symbol_macro, bool ensure_def
symbol macro */
if (allow_symbol_macro)
return -1;
FEprogram_error("Internal error: symbol macro ~S used as variable",
1, var);
FEprogram_error_noreturn("Internal error: symbol macro ~S"
" used as variable",
1, var);
} else if (Null(special)) {
return n;
} else {
@ -845,7 +846,7 @@ c_block(cl_env_ptr env, cl_object body, int old_flags) {
int flags;
if (!SYMBOLP(name))
FEprogram_error("BLOCK: Not a valid block name, ~S", 1, name);
FEprogram_error_noreturn("BLOCK: Not a valid block name, ~S", 1, name);
old_env = *(env->c_env);
pc = current_pc(env);
@ -939,14 +940,14 @@ c_funcall(cl_env_ptr env, cl_object args, int flags) {
cl_object kind = ECL_CONS_CAR(name);
if (kind == @'function') {
if (cl_list_length(name) != MAKE_FIXNUM(2))
FEprogram_error("FUNCALL: Invalid function name ~S",
1, name);
FEprogram_error_noreturn("FUNCALL: Invalid function name ~S",
1, name);
return c_call(env, CONS(CADR(name), args), flags);
}
if (kind == @'quote') {
if (cl_list_length(name) != MAKE_FIXNUM(2))
FEprogram_error("FUNCALL: Invalid function name ~S",
1, name);
FEprogram_error_noreturn("FUNCALL: Invalid function name ~S",
1, name);
return c_call(env, CONS(CADR(name), args), flags | FLAG_GLOBAL);
}
}
@ -972,7 +973,7 @@ perform_c_case(cl_env_ptr env, cl_object args, int flags) {
return compile_body(env, Cnil, flags);
clause = pop(&args);
if (ATOM(clause))
FEprogram_error("CASE: Illegal clause ~S.",1,clause);
FEprogram_error_noreturn("CASE: Illegal clause ~S.",1,clause);
test = pop(&clause);
} while (test == Cnil);
@ -1099,7 +1100,7 @@ c_cond(cl_env_ptr env, cl_object args, int flags) {
return compile_form(env, Cnil, flags);
clause = pop(&args);
if (ATOM(clause))
FEprogram_error("COND: Illegal clause ~S.",1,clause);
FEprogram_error_noreturn("COND: Illegal clause ~S.",1,clause);
test = pop(&clause);
flags = maybe_values_or_reg0(flags);
if (Ct == test) {
@ -1337,7 +1338,7 @@ static int
c_function(cl_env_ptr env, cl_object args, int flags) {
cl_object function = pop(&args);
if (!ecl_endp(args))
FEprogram_error("FUNCTION: Too many arguments.", 0);
FEprogram_error_noreturn("FUNCTION: Too many arguments.", 0);
return asm_function(env, function, flags);
}
@ -1368,7 +1369,7 @@ asm_function(cl_env_ptr env, cl_object function, int flags) {
return FLAG_REG0;
}
}
FEprogram_error("FUNCTION: Not a valid argument ~S.", 1, function);
FEprogram_error_noreturn("FUNCTION: Not a valid argument ~S.", 1, function);
return FLAG_REG0;
}
@ -1378,9 +1379,9 @@ c_go(cl_env_ptr env, cl_object args, int flags) {
cl_object tag = pop(&args);
cl_object info = c_tag_ref(env, tag, @':tag');
if (Null(info))
FEprogram_error("GO: Unknown tag ~S.", 1, tag);
FEprogram_error_noreturn("GO: Unknown tag ~S.", 1, tag);
if (!Null(args))
FEprogram_error("GO: Too many arguments.",0);
FEprogram_error_noreturn("GO: Too many arguments.",0);
asm_op2(env, OP_GO, fix(CAR(info)));
asm_arg(env, fix(CDR(info)));
return flags;
@ -1471,7 +1472,7 @@ c_let_leta(cl_env_ptr env, int op, cl_object args, int flags) {
var = pop(&aux);
value = pop_maybe_nil(&aux);
if (!Null(aux))
FEprogram_error("LET: Ill formed declaration.",0);
FEprogram_error_noreturn("LET: Ill formed declaration.",0);
}
if (!SYMBOLP(var))
FEillegal_variable_name(var);
@ -1511,7 +1512,7 @@ static int
c_load_time_value(cl_env_ptr env, cl_object args, int flags)
{
if (cl_rest(args) != Cnil)
FEprogram_error("LOAD-TIME-VALUE: Too many arguments.", 0);
FEprogram_error_noreturn("LOAD-TIME-VALUE: Too many arguments.", 0);
return c_values(env, args, flags);
}
@ -1670,7 +1671,7 @@ c_multiple_value_setq(cl_env_ptr env, cl_object orig_args, int flags) {
/* Compile values */
values = pop(&args);
if (args != Cnil)
FEprogram_error("MULTIPLE-VALUE-SETQ: Too many arguments.", 0);
FEprogram_error_noreturn("MULTIPLE-VALUE-SETQ: Too many arguments.", 0);
if (nvars == 0) {
/* No variables */
return compile_form(env, cl_list(2, @'values', values), flags);
@ -1707,7 +1708,7 @@ c_not(cl_env_ptr env, cl_object args, int flags) {
flags = compile_form(env, pop(&args), flags);
}
if (!Null(args))
FEprogram_error("NOT/NULL: Too many arguments.", 0);
FEprogram_error_noreturn("NOT/NULL: Too many arguments.", 0);
return flags;
}
@ -1722,7 +1723,7 @@ c_nth_value(cl_env_ptr env, cl_object args, int flags) {
compile_form(env, pop(&args), FLAG_PUSH); /* INDEX */
compile_form(env, pop(&args), FLAG_VALUES); /* VALUES */
if (args != Cnil)
FEprogram_error("NTH-VALUE: Too many arguments.",0);
FEprogram_error_noreturn("NTH-VALUE: Too many arguments.",0);
asm_op(env, OP_NTHVAL);
return FLAG_REG0;
}
@ -1852,9 +1853,9 @@ c_return_aux(cl_env_ptr env, cl_object name, cl_object stmt, int flags)
cl_object output = pop_maybe_nil(&stmt);
if (!SYMBOLP(name) || Null(ndx))
FEprogram_error("RETURN-FROM: Unknown block name ~S.", 1, name);
FEprogram_error_noreturn("RETURN-FROM: Unknown block name ~S.", 1, name);
if (stmt != Cnil)
FEprogram_error("RETURN-FROM: Too many arguments.", 0);
FEprogram_error_noreturn("RETURN-FROM: Too many arguments.", 0);
compile_form(env, output, FLAG_VALUES);
asm_op2(env, OP_RETURN, fix(ndx));
return FLAG_VALUES;
@ -1916,7 +1917,7 @@ c_symbol_macrolet(cl_env_ptr env, cl_object args, int flags)
if ((ecl_symbol_type(name) & (stp_special | stp_constant)) ||
c_var_ref(env, name,1,FALSE) == -2)
{
FEprogram_error("SYMBOL-MACROLET: Symbol ~A cannot be \
FEprogram_error_noreturn("SYMBOL-MACROLET: Symbol ~A cannot be \
declared special and appear in a symbol-macrolet.", 1, name);
}
definition = cl_list(2, arglist, cl_list(2, @'quote', expansion));
@ -1986,7 +1987,7 @@ c_throw(cl_env_ptr env, cl_object stmt, int flags) {
cl_object tag = pop(&stmt);
cl_object form = pop(&stmt);
if (stmt != Cnil)
FEprogram_error("THROW: Too many arguments.",0);
FEprogram_error_noreturn("THROW: Too many arguments.",0);
compile_form(env, tag, FLAG_PUSH);
compile_form(env, form, FLAG_VALUES);
asm_op(env, OP_THROW);
@ -2109,7 +2110,7 @@ compile_form(cl_env_ptr env, cl_object stmt, int flags) {
if (function == @'quote') {
stmt = ECL_CONS_CDR(stmt);
if (ATOM(stmt) || ECL_CONS_CDR(stmt) != Cnil)
FEprogram_error("QUOTE: Ill formed.",0);
FEprogram_error_noreturn("QUOTE: Ill formed.",0);
stmt = ECL_CONS_CAR(stmt);
goto QUOTED;
}
@ -2138,7 +2139,7 @@ compile_form(cl_env_ptr env, cl_object stmt, int flags) {
}
}
if (ecl_symbol_type(function) & stp_special_form)
FEprogram_error("BYTECOMPILE-FORM: Found no macroexpander \
FEprogram_error_noreturn("BYTECOMPILE-FORM: Found no macroexpander \
for special form ~S.", 1, function);
ORDINARY_CALL:
/*
@ -2260,7 +2261,7 @@ static int
c_cons(cl_env_ptr env, cl_object args, int flags)
{
if (ecl_length(args) != 2) {
FEprogram_error("CONS: Wrong number of arguments", 0);
FEprogram_error_noreturn("CONS: Wrong number of arguments", 0);
}
compile_form(env, cl_first(args), FLAG_PUSH);
compile_form(env, cl_second(args), FLAG_REG0);
@ -2273,7 +2274,7 @@ c_endp(cl_env_ptr env, cl_object args, int flags)
{
cl_object list = pop(&args);
if (args != Cnil) {
FEprogram_error("ENDP: Too many arguments", 0);
FEprogram_error_noreturn("ENDP: Too many arguments", 0);
}
compile_form(env, list, FLAG_REG0);
asm_op(env, OP_ENDP);
@ -2285,7 +2286,7 @@ c_car(cl_env_ptr env, cl_object args, int flags)
{
cl_object list = pop(&args);
if (args != Cnil) {
FEprogram_error("CAR: Too many arguments", 0);
FEprogram_error_noreturn("CAR: Too many arguments", 0);
}
compile_form(env, list, FLAG_REG0);
asm_op(env, OP_CAR);
@ -2297,7 +2298,7 @@ c_cdr(cl_env_ptr env, cl_object args, int flags)
{
cl_object list = pop(&args);
if (args != Cnil) {
FEprogram_error("CDR: Too many arguments", 0);
FEprogram_error_noreturn("CDR: Too many arguments", 0);
}
compile_form(env, list, FLAG_REG0);
asm_op(env, OP_CDR);
@ -2414,7 +2415,7 @@ si_process_lambda(cl_object lambda)
cl_object lambda_list, body;
if (ATOM(lambda))
FEprogram_error("LAMBDA: No lambda list.", 0);
FEprogram_error_noreturn("LAMBDA: No lambda list.", 0);
lambda_list = ECL_CONS_CAR(lambda);
declarations = @si::process-declarations(2, CDR(lambda), Ct);
@ -2620,7 +2621,7 @@ REST: if (stage >= AT_REST)
OUTPUT:
if ((nreq+nopt+(!Null(rest))+nkey) >= CALL_ARGUMENTS_LIMIT)
FEprogram_error("LAMBDA: Argument list ist too long, ~S.", 1,
FEprogram_error_noreturn("LAMBDA: Argument list ist too long, ~S.", 1,
org_lambda_list);
@(return CONS(MAKE_FIXNUM(nreq), cl_nreverse(reqs))
CONS(MAKE_FIXNUM(nopt), cl_nreverse(opts))
@ -2631,7 +2632,7 @@ OUTPUT:
cl_nreverse(auxs))
ILLEGAL_LAMBDA:
FEprogram_error("LAMBDA: Illegal lambda list ~S.", 1, org_lambda_list);
FEprogram_error_noreturn("LAMBDA: Illegal lambda list ~S.", 1, org_lambda_list);
}
static void
@ -2683,7 +2684,7 @@ ecl_make_lambda(cl_env_ptr env, cl_object name, cl_object lambda) {
/* Transform (SETF fname) => fname */
if (!Null(name) && Null(si_valid_function_name_p(name)))
FEprogram_error("LAMBDA: Not a valid function name ~S",1,name);
FEprogram_error_noreturn("LAMBDA: Not a valid function name ~S",1,name);
/* We register as special variable a symbol which is not
* to be used. We use this to mark the boundary of a function

25
src/c/error.d
View file

@ -98,6 +98,31 @@ FEprogram_error(const char *s, int narg, ...)
real_args);
}
void
FEprogram_error_noreturn(const char *s, int narg, ...)
{
cl_object real_args, text;
cl_va_list args;
cl_va_start(args, narg, narg, 0);
text = make_constant_base_string(s);
real_args = cl_grab_rest_args(args);
if (cl_boundp(@'si::*current-form*') != Cnil) {
/* When FEprogram_error is invoked from the compiler, we can
* provide information about the offending form.
*/
cl_object stmt = ecl_symbol_value(@'si::*current-form*');
if (stmt != Cnil) {
real_args = @list(3, stmt, text, real_args);
text = make_constant_base_string("In form~%~S~%~?");
}
}
si_signal_simple_error(4,
@'program-error', /* condition name */
Cnil, /* not correctable */
text,
real_args);
}
void
FEcontrol_error(const char *s, int narg, ...)
{

4
src/c/eval.d
View file

@ -153,9 +153,9 @@ cl_funcall(cl_narg narg, cl_object function, ...)
ecl_stack_frame_push(frame, lastarg->frame.base[i]);
}
} else loop_for_in (lastarg) {
if (i >= CALL_ARGUMENTS_LIMIT) {
if (__builtin_expect(i >= CALL_ARGUMENTS_LIMIT, 0)) {
ecl_stack_frame_close(frame);
FEprogram_error("CALL-ARGUMENTS-LIMIT exceeded",0);
FEprogram_error_noreturn("CALL-ARGUMENTS-LIMIT exceeded",0);
}
ecl_stack_frame_push(frame, CAR(lastarg));
i++;

4
src/c/macros.d
View file

@ -174,8 +174,8 @@ static cl_object
when_macro(cl_object whole, cl_object env)
{
cl_object args = CDR(whole);
if (ecl_endp(args))
FEprogram_error("Syntax error: ~S.", 1, whole);
if (__builtin_expect(ecl_endp(args), 0))
FEprogram_error_noreturn("Syntax error: ~S.", 1, whole);
return cl_list(3, @'if', CAR(args), CONS(@'progn', CDR(args)));
}

18
src/c/mapfun.d
View file

@ -19,15 +19,15 @@
#include <ecl/internal.h>
#include <string.h>
#define PREPARE_MAP(env, list, cdrs_frame, cars_frame, narg) \
struct ecl_stack_frame frames_aux[2]; \
const cl_object cdrs_frame = (cl_object)frames_aux; \
const cl_object cars_frame = (cl_object)(frames_aux+1); \
ECL_STACK_FRAME_FROM_VA_LIST(env,cdrs_frame,list); \
ECL_STACK_FRAME_COPY(cars_frame, cdrs_frame); \
narg = cars_frame->frame.size; \
if (narg == 0) { \
FEprogram_error("MAP*: Too few arguments", 0); \
#define PREPARE_MAP(env, list, cdrs_frame, cars_frame, narg) \
struct ecl_stack_frame frames_aux[2]; \
const cl_object cdrs_frame = (cl_object)frames_aux; \
const cl_object cars_frame = (cl_object)(frames_aux+1); \
ECL_STACK_FRAME_FROM_VA_LIST(env,cdrs_frame,list); \
ECL_STACK_FRAME_COPY(cars_frame, cdrs_frame); \
narg = cars_frame->frame.size; \
if (__builtin_expect(narg == 0, 0)) { \
FEprogram_error_noreturn("MAP*: Too few arguments", 0); \
}
@(defun mapcar (fun &rest lists)

1
src/h/external.h
View file

@ -541,6 +541,7 @@ extern ECL_API cl_object cl_cerror _ARGS((cl_narg narg, cl_object cformat, cl_ob
extern ECL_API void ecl_internal_error(const char *s) /*__attribute__((noreturn))*/;
extern ECL_API void ecl_cs_overflow(void) /*__attribute__((noreturn))*/;
extern ECL_API void FEprogram_error(const char *s, int narg, ...) /*__attribute__((noreturn))*/;
extern ECL_API void FEprogram_error_noreturn(const char *s, int narg, ...) __attribute__((noreturn));
extern ECL_API void FEcontrol_error(const char *s, int narg, ...) /*__attribute__((noreturn))*/;
extern ECL_API void FEreader_error(const char *s, cl_object stream, int narg, ...) /*__attribute__((noreturn))*/;
#define FEparse_error FEreader_error