[270] | 1 | /*
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| 2 | ** cmdbreak.c
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| 3 | **
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| 4 | */
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| 5 |
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| 6 | #include <ctype.h>
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| 7 | #include <string.h>
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| 8 | #include "mruby.h"
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| 9 | #include "mruby/dump.h"
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| 10 | #include "mruby/debug.h"
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| 11 | #include "mruby/string.h"
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| 12 | #include "mrdb.h"
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| 13 | #include "mrdberror.h"
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| 14 | #include "apibreak.h"
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| 15 |
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| 16 | #define BREAK_SET_MSG_LINE "Breakpoint %d: file %s, line %d.\n"
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| 17 | #define BREAK_SET_MSG_METHOD "Breakpoint %d: method %s.\n"
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| 18 | #define BREAK_SET_MSG_CLASS_METHOD "Breakpoint %d: class %s, method %s.\n"
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| 19 | #define BREAK_INFO_MSG_HEADER "Num Type Enb What"
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| 20 | #define BREAK_INFO_MSG_LINEBREAK "%-8ubreakpoint %s at %s:%u\n"
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| 21 | #define BREAK_INFO_MSG_METHODBREAK "%-8ubreakpoint %s in %s:%s\n"
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| 22 | #define BREAK_INFO_MSG_METHODBREAK_NOCLASS "%-8ubreakpoint %s in %s\n"
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| 23 | #define BREAK_INFO_MSG_ENABLE "y"
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| 24 | #define BREAK_INFO_MSG_DISABLE "n"
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| 25 |
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| 26 | #define BREAK_ERR_MSG_INVALIDARG "Internal error."
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| 27 | #define BREAK_ERR_MSG_BLANK "Try \'help break\' for more information."
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| 28 | #define BREAK_ERR_MSG_RANGEOVER "The line number range is from 1 to 65535."
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| 29 | #define BREAK_ERR_MSG_NUMOVER "Exceeded the setable number of breakpoint."
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| 30 | #define BREAK_ERR_MSG_NOOVER "Breakno is over the available number.Please 'quit' and restart mrdb."
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| 31 | #define BREAK_ERR_MSG_INVALIDSTR "String \'%s\' is invalid.\n"
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| 32 | #define BREAK_ERR_MSG_INVALIDLINENO "Line %d in file \"%s\" is unavailable.\n"
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| 33 | #define BREAK_ERR_MSG_INVALIDCLASS "Class name \'%s\' is invalid.\n"
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| 34 | #define BREAK_ERR_MSG_INVALIDMETHOD "Method name \'%s\' is invalid.\n"
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| 35 | #define BREAK_ERR_MSG_INVALIDFILE "Source file named \"%s\" is unavailable.\n"
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| 36 | #define BREAK_ERR_MSG_INVALIDBPNO "warning: bad breakpoint number at or near '%s'\n"
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| 37 | #define BREAK_ERR_MSG_INVALIDBPNO_INFO "Args must be numbers variables."
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| 38 | #define BREAK_ERR_MSG_NOBPNO "No breakpoint number %d.\n"
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| 39 | #define BREAK_ERR_MSG_NOBPNO_INFO "No breakpoint matching '%d'\n"
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| 40 | #define BREAK_ERR_MSG_NOBPNO_INFOALL "No breakpoints."
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| 41 |
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| 42 | #define LINENO_MAX_DIGIT 6
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| 43 | #define BPNO_LETTER_NUM 9
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| 44 |
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| 45 | typedef int32_t (*all_command_func)(mrb_state *, mrb_debug_context *);
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| 46 | typedef int32_t (*select_command_func)(mrb_state *, mrb_debug_context *, uint32_t);
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| 47 |
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| 48 | static void
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| 49 | print_api_common_error(int32_t error)
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| 50 | {
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| 51 | switch(error) {
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| 52 | case MRB_DEBUG_INVALID_ARGUMENT:
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| 53 | puts(BREAK_ERR_MSG_INVALIDARG);
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| 54 | break;
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| 55 | default:
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| 56 | break;
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| 57 | }
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| 58 | }
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| 59 |
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| 60 | #undef STRTOUL
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| 61 | #define STRTOUL(ul,s) { \
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| 62 | int i; \
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| 63 | ul = 0; \
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| 64 | for(i=0; ISDIGIT(s[i]); i++) ul = 10*ul + (s[i] -'0'); \
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| 65 | }
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| 66 |
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| 67 | static int32_t
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| 68 | parse_breakpoint_no(char* args)
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| 69 | {
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| 70 | char* ps = args;
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| 71 | uint32_t l;
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| 72 |
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| 73 | if((*ps == '0')||(strlen(ps) >= BPNO_LETTER_NUM)) {
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| 74 | return 0;
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| 75 | }
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| 76 |
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| 77 | while( !(ISBLANK(*ps)||ISCNTRL(*ps)) ) {
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| 78 | if(!ISDIGIT(*ps)) {
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| 79 | return 0;
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| 80 | }
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| 81 | ps++;
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| 82 | }
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| 83 |
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| 84 | STRTOUL(l, args);
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| 85 | return l;
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| 86 | }
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| 87 |
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| 88 | static mrb_bool
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| 89 | exe_set_command_all(mrb_state *mrb, mrdb_state *mrdb, all_command_func func)
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| 90 | {
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| 91 | int32_t ret = MRB_DEBUG_OK;
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| 92 |
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| 93 | if(mrdb->wcnt == 1) {
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| 94 | ret = func(mrb, mrdb->dbg);
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| 95 | print_api_common_error(ret);
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| 96 | return TRUE;
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| 97 | }
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| 98 | return FALSE;
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| 99 | }
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| 100 |
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| 101 | static void
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| 102 | exe_set_command_select(mrb_state *mrb, mrdb_state *mrdb, select_command_func func)
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| 103 | {
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| 104 | char* ps;
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| 105 | int32_t ret = MRB_DEBUG_OK;
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| 106 | int32_t bpno = 0;
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| 107 | int32_t i;
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| 108 |
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| 109 | for(i=1; i<mrdb->wcnt; i++) {
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| 110 | ps = mrdb->words[i];
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| 111 | bpno = parse_breakpoint_no(ps);
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| 112 | if(bpno == 0) {
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| 113 | printf(BREAK_ERR_MSG_INVALIDBPNO, ps);
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| 114 | break;
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| 115 | }
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| 116 | ret = func(mrb, mrdb->dbg, (uint32_t)bpno);
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| 117 | if(ret == MRB_DEBUG_BREAK_INVALID_NO) {
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| 118 | printf(BREAK_ERR_MSG_NOBPNO, bpno);
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| 119 | }
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| 120 | else if(ret != MRB_DEBUG_OK) {
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| 121 | print_api_common_error(ret);
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| 122 | }
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| 123 | }
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| 124 | }
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| 125 |
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| 126 | mrb_debug_bptype
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| 127 | check_bptype(char* args)
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| 128 | {
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| 129 | char* ps = args;
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| 130 |
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| 131 | if(ISBLANK(*ps)||ISCNTRL(*ps)) {
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| 132 | puts(BREAK_ERR_MSG_BLANK);
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| 133 | return MRB_DEBUG_BPTYPE_NONE;
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| 134 | }
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| 135 |
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| 136 | if(!ISDIGIT(*ps)) {
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| 137 | return MRB_DEBUG_BPTYPE_METHOD;
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| 138 | }
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| 139 |
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| 140 | while( !(ISBLANK(*ps)||ISCNTRL(*ps)) ) {
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| 141 | if(!ISDIGIT(*ps)) {
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| 142 | printf(BREAK_ERR_MSG_INVALIDSTR, args);
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| 143 | return MRB_DEBUG_BPTYPE_NONE;
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| 144 | }
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| 145 | ps++;
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| 146 | }
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| 147 |
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| 148 | if((*args == '0')||(strlen(args) >= LINENO_MAX_DIGIT)) {
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| 149 | puts(BREAK_ERR_MSG_RANGEOVER);
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| 150 | return MRB_DEBUG_BPTYPE_NONE;
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| 151 | }
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| 152 |
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| 153 | return MRB_DEBUG_BPTYPE_LINE;
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| 154 | }
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| 155 |
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| 156 | static void
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| 157 | print_breakpoint(mrb_debug_breakpoint *bp)
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| 158 | {
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| 159 | const char* enable_letter[] = {BREAK_INFO_MSG_DISABLE, BREAK_INFO_MSG_ENABLE};
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| 160 |
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| 161 | if(bp->type == MRB_DEBUG_BPTYPE_LINE) {
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| 162 | printf(BREAK_INFO_MSG_LINEBREAK,
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| 163 | bp->bpno, enable_letter[bp->enable], bp->point.linepoint.file, bp->point.linepoint.lineno);
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| 164 | }
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| 165 | else {
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| 166 | if(bp->point.methodpoint.class_name == NULL) {
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| 167 | printf(BREAK_INFO_MSG_METHODBREAK_NOCLASS,
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| 168 | bp->bpno, enable_letter[bp->enable], bp->point.methodpoint.method_name);
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| 169 | }
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| 170 | else {
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| 171 | printf(BREAK_INFO_MSG_METHODBREAK,
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| 172 | bp->bpno, enable_letter[bp->enable], bp->point.methodpoint.class_name, bp->point.methodpoint.method_name);
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| 173 | }
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| 174 | }
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| 175 | }
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| 176 |
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| 177 | static void
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| 178 | info_break_all(mrb_state *mrb, mrdb_state *mrdb)
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| 179 | {
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| 180 | int32_t bpnum = 0;
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| 181 | int32_t i = 0;
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| 182 | int32_t ret = MRB_DEBUG_OK;
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| 183 | mrb_debug_breakpoint *bp_list;
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| 184 |
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| 185 | bpnum = mrb_debug_get_breaknum(mrb, mrdb->dbg);
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| 186 | if(bpnum < 0) {
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| 187 | print_api_common_error(bpnum);
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| 188 | return;
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| 189 | }
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| 190 | else if(bpnum == 0) {
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| 191 | puts(BREAK_ERR_MSG_NOBPNO_INFOALL);
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| 192 | return;
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| 193 | }
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| 194 | bp_list = (mrb_debug_breakpoint*)mrb_malloc(mrb, bpnum * sizeof(mrb_debug_breakpoint));
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| 195 |
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| 196 | ret = mrb_debug_get_break_all(mrb, mrdb->dbg, (uint32_t)bpnum, bp_list);
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| 197 | if(ret < 0) {
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| 198 | print_api_common_error(ret);
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| 199 | return;
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| 200 | }
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| 201 | puts(BREAK_INFO_MSG_HEADER);
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| 202 | for(i = 0 ; i < bpnum ; i++) {
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| 203 | print_breakpoint(&bp_list[i]);
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| 204 | }
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| 205 |
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| 206 | mrb_free(mrb, bp_list);
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| 207 | }
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| 208 |
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| 209 | static void
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| 210 | info_break_select(mrb_state *mrb, mrdb_state *mrdb)
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| 211 | {
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| 212 | int32_t ret = MRB_DEBUG_OK;
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| 213 | int32_t bpno = 0;
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| 214 | char* ps = mrdb->command;
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| 215 | mrb_debug_breakpoint bp;
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| 216 | mrb_bool isFirst = TRUE;
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| 217 | int32_t i;
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| 218 |
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| 219 | for(i=2; i<mrdb->wcnt; i++) {
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| 220 | ps = mrdb->words[i];
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| 221 | bpno = parse_breakpoint_no(ps);
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| 222 | if(bpno == 0) {
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| 223 | puts(BREAK_ERR_MSG_INVALIDBPNO_INFO);
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| 224 | break;
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| 225 | }
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| 226 |
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| 227 | ret = mrb_debug_get_break(mrb, mrdb->dbg, bpno, &bp);
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| 228 | if(ret == MRB_DEBUG_BREAK_INVALID_NO) {
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| 229 | printf(BREAK_ERR_MSG_NOBPNO_INFO, bpno);
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| 230 | break;
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| 231 | }
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| 232 | else if(ret != MRB_DEBUG_OK) {
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| 233 | print_api_common_error(ret);
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| 234 | break;
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| 235 | }
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| 236 | else if(isFirst == TRUE) {
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| 237 | isFirst = FALSE;
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| 238 | puts(BREAK_INFO_MSG_HEADER);
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| 239 | }
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| 240 | print_breakpoint(&bp);
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| 241 | }
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| 242 | }
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| 243 |
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| 244 | mrb_debug_bptype
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| 245 | parse_breakcommand(mrdb_state *mrdb, const char **file, uint32_t *line, char **cname, char **method)
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| 246 | {
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| 247 | mrb_debug_context *dbg = mrdb->dbg;
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| 248 | char *args;
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| 249 | char *body;
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| 250 | mrb_debug_bptype type;
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| 251 | uint32_t l;
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| 252 |
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| 253 | if(mrdb->wcnt <= 1) {
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| 254 | puts(BREAK_ERR_MSG_BLANK);
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| 255 | return MRB_DEBUG_BPTYPE_NONE;
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| 256 | }
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| 257 |
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| 258 | args = mrdb->words[1];
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| 259 | if((body = strrchr(args, ':')) == NULL) {
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| 260 | body = args;
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| 261 | type = check_bptype(body);
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| 262 | } else {
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| 263 | if(body == args) {
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| 264 | printf(BREAK_ERR_MSG_INVALIDSTR, args);
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| 265 | return MRB_DEBUG_BPTYPE_NONE;
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| 266 | }
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| 267 | *body = '\0';
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| 268 | type = check_bptype(++body);
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| 269 | }
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| 270 |
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| 271 | switch(type) {
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| 272 | case MRB_DEBUG_BPTYPE_LINE:
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| 273 | STRTOUL(l, body);
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| 274 | if( l <= 65535 ) {
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| 275 | *line = l;
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| 276 | *file = (body == args)? mrb_debug_get_filename(dbg->irep, (uint32_t)(dbg->pc - dbg->irep->iseq)): args;
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| 277 | } else {
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| 278 | puts(BREAK_ERR_MSG_RANGEOVER);
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| 279 | type = MRB_DEBUG_BPTYPE_NONE;
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| 280 | }
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| 281 | break;
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| 282 | case MRB_DEBUG_BPTYPE_METHOD:
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| 283 | if(body == args) {
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| 284 | /* method only */
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| 285 | if( ISUPPER(*body)||ISLOWER(*body)||(*body == '_') ) {
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| 286 | *method = body;
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| 287 | *cname = NULL;
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| 288 | } else {
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| 289 | printf(BREAK_ERR_MSG_INVALIDMETHOD, args);
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| 290 | type = MRB_DEBUG_BPTYPE_NONE;
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| 291 | }
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| 292 | } else {
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| 293 | if( ISUPPER(*args) ) {
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| 294 | switch(*body) {
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| 295 | case '@': case '$': case '?': case '.': case ',': case ':':
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| 296 | case ';': case '#': case '\\': case '\'': case '\"':
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| 297 | printf(BREAK_ERR_MSG_INVALIDMETHOD, body);
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| 298 | type = MRB_DEBUG_BPTYPE_NONE;
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| 299 | break;
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| 300 | default:
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| 301 | *method = body;
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| 302 | *cname = args;
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| 303 | break;
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| 304 | }
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| 305 | } else {
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| 306 | printf(BREAK_ERR_MSG_INVALIDCLASS, args);
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| 307 | type = MRB_DEBUG_BPTYPE_NONE;
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| 308 | }
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| 309 | }
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| 310 | break;
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| 311 | case MRB_DEBUG_BPTYPE_NONE:
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| 312 | default:
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| 313 | break;
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| 314 | }
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| 315 |
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| 316 | return type;
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| 317 | }
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| 318 |
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| 319 | dbgcmd_state
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| 320 | dbgcmd_break(mrb_state *mrb, mrdb_state *mrdb)
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| 321 | {
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| 322 | mrb_debug_bptype type;
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| 323 | mrb_debug_context *dbg = mrdb->dbg;
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| 324 | const char *file = NULL;
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| 325 | uint32_t line = 0;
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| 326 | char *cname = NULL;
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| 327 | char *method = NULL;
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| 328 | int32_t ret;
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| 329 |
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| 330 | type = parse_breakcommand(mrdb, &file, &line, &cname, &method);
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| 331 | switch (type) {
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| 332 | case MRB_DEBUG_BPTYPE_LINE:
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| 333 | ret = mrb_debug_set_break_line(mrb, dbg, file, line);
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| 334 | break;
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| 335 | case MRB_DEBUG_BPTYPE_METHOD:
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| 336 | ret = mrb_debug_set_break_method(mrb, dbg, cname, method);
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| 337 | break;
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| 338 | case MRB_DEBUG_BPTYPE_NONE:
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| 339 | default:
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| 340 | return DBGST_PROMPT;
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| 341 | }
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| 342 |
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| 343 | if (ret >= 0) {
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| 344 | if (type == MRB_DEBUG_BPTYPE_LINE) {
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| 345 | printf(BREAK_SET_MSG_LINE, ret, file, line);
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| 346 | } else if ((type == MRB_DEBUG_BPTYPE_METHOD)&&(cname == NULL)) {
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| 347 | printf(BREAK_SET_MSG_METHOD, ret, method);
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| 348 | } else {
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| 349 | printf(BREAK_SET_MSG_CLASS_METHOD, ret, cname, method);
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| 350 | }
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| 351 | } else {
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| 352 | switch (ret) {
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| 353 | case MRB_DEBUG_BREAK_INVALID_LINENO:
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| 354 | printf(BREAK_ERR_MSG_INVALIDLINENO, line, file);
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| 355 | break;
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| 356 | case MRB_DEBUG_BREAK_INVALID_FILE:
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| 357 | printf(BREAK_ERR_MSG_INVALIDFILE, file);
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| 358 | break;
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| 359 | case MRB_DEBUG_BREAK_NUM_OVER:
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| 360 | puts(BREAK_ERR_MSG_NUMOVER);
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| 361 | break;
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| 362 | case MRB_DEBUG_BREAK_NO_OVER:
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| 363 | puts(BREAK_ERR_MSG_NOOVER);
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| 364 | break;
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| 365 | case MRB_DEBUG_INVALID_ARGUMENT:
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| 366 | puts(BREAK_ERR_MSG_INVALIDARG);
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| 367 | break;
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| 368 | case MRB_DEBUG_NOBUF:
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| 369 | puts("T.B.D.");
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| 370 | break;
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| 371 | default:
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| 372 | break;
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| 373 | }
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| 374 | }
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| 375 |
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| 376 | return DBGST_PROMPT;
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| 377 | }
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| 378 |
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| 379 | dbgcmd_state
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| 380 | dbgcmd_info_break(mrb_state *mrb, mrdb_state *mrdb)
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| 381 | {
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| 382 | if(mrdb->wcnt == 2) {
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| 383 | info_break_all(mrb, mrdb);
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| 384 | }
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| 385 | else {
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| 386 | info_break_select(mrb, mrdb);
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| 387 | }
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| 388 |
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| 389 | return DBGST_PROMPT;
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| 390 | }
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| 391 |
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| 392 | dbgcmd_state
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| 393 | dbgcmd_delete(mrb_state *mrb, mrdb_state *mrdb)
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| 394 | {
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| 395 | mrb_bool ret = FALSE;
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| 396 |
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| 397 | ret = exe_set_command_all(mrb, mrdb, mrb_debug_delete_break_all);
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| 398 | if(ret != TRUE) {
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| 399 | exe_set_command_select(mrb, mrdb, mrb_debug_delete_break);
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| 400 | }
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| 401 |
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| 402 | return DBGST_PROMPT;
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| 403 | }
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| 404 |
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| 405 | dbgcmd_state
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| 406 | dbgcmd_enable(mrb_state *mrb, mrdb_state *mrdb)
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| 407 | {
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| 408 | mrb_bool ret = FALSE;
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| 409 |
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| 410 | ret = exe_set_command_all(mrb, mrdb, mrb_debug_enable_break_all);
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| 411 | if(ret != TRUE) {
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| 412 | exe_set_command_select(mrb, mrdb, mrb_debug_enable_break);
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| 413 | }
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| 414 |
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| 415 | return DBGST_PROMPT;
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| 416 | }
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| 417 |
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| 418 | dbgcmd_state
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| 419 | dbgcmd_disable(mrb_state *mrb, mrdb_state *mrdb)
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| 420 | {
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| 421 | mrb_bool ret = FALSE;
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| 422 |
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| 423 | ret = exe_set_command_all(mrb, mrdb, mrb_debug_disable_break_all);
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| 424 | if(ret != TRUE) {
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| 425 | exe_set_command_select(mrb, mrdb, mrb_debug_disable_break);
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| 426 | }
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| 427 | return DBGST_PROMPT;
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| 428 | }
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