pike.git
/
src
/
modules
/
_Debug
/
debug.cmod
version
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pike.git/src/modules/_Debug/debug.cmod:316:
export; { extern int yydebug; pop_n_elems(args); push_int(yydebug); yydebug = yyd; } #endif /* YYDEBUG */
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#if defined(PIKE_PORTABLE_BYTECODE)
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/*! @decl void disassemble(function fun)
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*! @belongs Debug
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*!
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*! Disassemble a Pike function to @[Stdio.stderr].
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*!
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*! @note
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*! This function is only available if the Pike runtime
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*! has been compiled with debug enabled.
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*/
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PIKEFUN void disassemble(function fun)
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{
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if ((TYPEOF(*fun) != T_FUNCTION) ||
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(SUBTYPEOF(*fun) == FUNCTION_BUILTIN)) {
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fprintf(stderr,
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"Disassembly only supported for functions implemented in Pike.\n");
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} else if (!fun->u.object->prog) {
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fprintf(stderr, "Function in destructed object.\n");
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} else {
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int f = SUBTYPEOF(*fun);
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struct reference *ptr = PTR_FROM_INT(fun->u.object->prog, f);
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struct program *p = PROG_FROM_PTR(fun->u.object->prog, ptr);
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struct identifier *id = p->identifiers + ptr->identifier_offset;
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if (id->func.offset >= 0) {
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struct pike_string *tripples =
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p->strings[read_program_data(p->program + id->func.offset, -1)];
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switch(tripples->size_shift) {
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#define CASE(SHIFT) \
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case SHIFT: \
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{ \
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PIKE_CONCAT(p_wchar, SHIFT) *str = \
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PIKE_CONCAT(STR, SHIFT)(tripples); \
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int i=0; \
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while(i < tripples->len) { \
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fprintf(stderr, "@@@ %d: %s, %d, %d\n", \
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i/3, \
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instrs[*str - F_OFFSET]. \
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name, \
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str[1], str[2]); \
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str += 3; \
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i += 3; \
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} \
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} \
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break
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CASE(0);
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CASE(1);
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CASE(2);
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#undef CASE
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}
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} else {
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fprintf(stderr, "Prototype.\n");
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}
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}
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pop_n_elems(args);
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push_int(0);
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}
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#endif /* PIKE_PORTABLE_BYTECODE */
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#endif /* PIKE_DEBUG */ PIKE_MODULE_INIT { INIT; #ifdef PIKE_DEBUG ADD_INT_CONSTANT("HAVE_DEBUG", 1, 0); #endif }