diff options
-rw-r--r-- | gdb/ChangeLog | 119 | ||||
-rw-r--r-- | gdb/ada-exp.y | 15 | ||||
-rw-r--r-- | gdb/ada-lex.l | 3 | ||||
-rw-r--r-- | gdb/c-exp.y | 53 | ||||
-rw-r--r-- | gdb/c-lang.h | 2 | ||||
-rw-r--r-- | gdb/cli/cli-cmds.c | 2 | ||||
-rw-r--r-- | gdb/cli/cli-setshow.c | 2 | ||||
-rw-r--r-- | gdb/completer.c | 11 | ||||
-rw-r--r-- | gdb/completer.h | 5 | ||||
-rw-r--r-- | gdb/defs.h | 2 | ||||
-rw-r--r-- | gdb/f-exp.y | 10 | ||||
-rw-r--r-- | gdb/gdbtypes.c | 2 | ||||
-rw-r--r-- | gdb/gdbtypes.h | 2 | ||||
-rw-r--r-- | gdb/go-exp.y | 17 | ||||
-rw-r--r-- | gdb/jv-exp.y | 20 | ||||
-rw-r--r-- | gdb/linespec.c | 42 | ||||
-rw-r--r-- | gdb/m2-exp.y | 6 | ||||
-rw-r--r-- | gdb/macroexp.c | 18 | ||||
-rw-r--r-- | gdb/macroexp.h | 2 | ||||
-rw-r--r-- | gdb/objc-lang.c | 9 | ||||
-rw-r--r-- | gdb/objc-lang.h | 3 | ||||
-rw-r--r-- | gdb/p-exp.y | 42 | ||||
-rw-r--r-- | gdb/parse.c | 22 | ||||
-rw-r--r-- | gdb/parser-defs.h | 8 | ||||
-rw-r--r-- | gdb/utils.c | 2 | ||||
-rw-r--r-- | gdb/utils.h | 2 |
26 files changed, 289 insertions, 132 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index d1b7d70..9f19d9e 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,122 @@ +2013-10-01 Keith Seitz <keiths@redhat.com> + + * linespec.c (struct ls_parser): Make 'saved_arg' const. + (parse_linespec): Make 'argptr' const. + Remove temporary cast of 'argptr' to const char **. + (decode_line_full): Pass const pointer to parse_linespec. + (decode_line_1): Likewise. + (decode_objc): Make local variable 'new_argptr' const. + (find_function_symbols): Remove temporary cast to char * + to find_imps. + * objc-lang.c (find_imps): Make argument 'method' const. + Return const. + * objc-lang.h (find_imps): Likewise. + +2013-10-01 Keith Seitz <keiths@redhat.com> + + * completer.c (skip_quoted_chars): Make all arguments const. + Return const. + (skip_quoted): Likewise. + * completer.h (skip_quoted_chars): Likewise. + (skip_quoted): Likewise. + * defs.h (skip_quoted): Remove duplicate declaration. + * jv-exp.y: Include completer.h. + (yylex): Remove unneccessary cast to char * fro skip_quoted. + * p-exp.y: Include completer.h. + +2013-10-01 Keith Seitz <keiths@redhat.com> + + * c-exp.y (parse_number): Make first argument const. + Make a copy of the input to manipulate. + (c_parse_escape): Make first argument const. + Make local variable 'tokptr' const. + (parse_string_or_char): Make first two arguments const. + (macro_original_text): Make const. + (lex_one_token): Make local variable 'tokstart' const. + Likewise for local variables named 'p'. + Cast away const for struct stoken (temporary). + * c-lang.h (c_parse_escpae): Make first argument const. + * cli/cli-cmds.c (echo_command): Make local variable 'p' + const. + * cli/cli-setshow.c (do_set_command): Likewise for 'p' in + var_string case. + * f-exp.y (parse_number): Make first argument const. + (match_string_literal): Make local variable 'tokstart' + const. + (yylex): Make local variable 'p' const. + Cast away const for struct stoken (temporary). + * go-exp.y (parse_number): Make first argument const. + (parse_string_or_char): Likewise. + Make local variable 'tokstart' const. + (lex_one_token): Likewise for numerous locals called 'p'. + Cast away const for struct stoken (temporary). + * jv-exp.y (parse_number): Make first argument const. + Make local variables 'tokstart' and 'tokptr' const. + Cast away const for call to skip_quoted (temporary). + (yylex): Make local variable 'p' const. + Cast away const for struct stoken (temporary). + * m2-exp.y (parse_number): Make local variable 'p' const. + (yylex): Likewise for 'tokstart'. + Cast away const for struct stoken (temporary). + Make local variable 'p' const. + * macroexp.c (get_character_constant): Pass a const string + to c_parse_escape. + (get_string_literal): Likewise. + (macro_expand_next): Make first argument const. + Cast away const for init_shared_buffer. + * macroexp.h (macro_expand_next): Make first argument const. + * p-exp.y (yylex): Make a local copy of 'lexptr'. + Pass a const string to c_parse_escape. + Make local variables 'p' and 'namestart' const. + * parse.c (lexptr): Make const. + (prev_lexptr): Likewise. + (find_template_name_end): Return const. + Make argument const, too. + (parse_exp_in_context): Make first argument const. + Remove the entire const_hack. + (parse_exp_in_context_1): Make first argument const. + * parser-defs.h (find_template_name_end): Return const. + Make argument const, too. + (lexptr): Make const. + (prev_lexptr): Likewise. + * utils.c (parse_escape): Make second argument const. + * utils.h (parse_escape): Likewise. + +2013-10-01 Keith Seitz <keiths@redhat.com> + + * ada-exp.y (write_object_renaming): Update: struct stoken.ptr + is now const. + (block_lookup): Make 'raw_name' and 'name' const. + * ada-lex.l (processString): Update for struct stoken.ptr. + * c-exp.y (qualified_name : TYPENAME COLONCOLON '~' name): Likewise. + (operator_stoken): Likewise. + (lex_one_token): Remove temporary cast to char * for + 'yylval.sval.ptr'. + * f-exp.y (yylex): Likewise. + * gdb-types.c (lookup_struct_elt_type): Make argument 'name' const. + * gdbtypes.h (lookup_struct_elt_type): Likewisee. + * go-exp.y (lex_one_token): Remove temporary cast to char * for + 'yylval.sval.ptr'. + * jv-exp.y (QualifiedName): Update for struct stoken.ptr. + (yylex): Remove temporary cast to char * for 'yylval.sval.ptr'. + * linespec.c (struct ls_parser): Make 'stream' const. + (find_parameter_list_end): Make argument 'input' and local + variable 'p' const. + (linespec_lexer_lex_string): Make local variables 'start' and + 'p' const. + Use skip_spaces_const instead of skip_spaces. + (linespec_lexer_peek_token): Make local variable 'saved_stream' + const. + (parse_linespec): Temporarily cast 'argptr' to const for + 'parser->lexer.stream'. + * m2-exp.y (yylex): Remove temporary cast to char * for + 'yylval.sval.ptr'. + * objc-lang.c (add_msglist): Make local variable 'p' const. + * p-exp.y (exp : exp '['): Update for struct stoken.ptr. + (exp : STRING): Make 'sp' const. + (parse_number): Make argument 'p' const. + * parser-defs.h (struct stoken): Make 'ptr' const. + 2013-10-01 Doug Evans <dje@google.com> * cli/cli-decode.c: Remove unnecessary inclusion of tui/tui.h. diff --git a/gdb/ada-exp.y b/gdb/ada-exp.y index 877dfaf..5270461 100644 --- a/gdb/ada-exp.y +++ b/gdb/ada-exp.y @@ -136,7 +136,7 @@ static void write_name_assoc (struct stoken); static void write_exp_op_with_string (enum exp_opcode, struct stoken); -static struct block *block_lookup (struct block *, char *); +static struct block *block_lookup (struct block *, const char *); static LONGEST convert_char_literal (struct type *, LONGEST); @@ -952,6 +952,8 @@ write_object_renaming (const struct block *orig_left_context, { struct stoken field_name; const char *end; + char *buf; + renaming_expr += 1; if (slice_state != SIMPLE_INDEX) @@ -960,9 +962,10 @@ write_object_renaming (const struct block *orig_left_context, if (end == NULL) end = renaming_expr + strlen (renaming_expr); field_name.length = end - renaming_expr; - field_name.ptr = malloc (end - renaming_expr + 1); - strncpy (field_name.ptr, renaming_expr, end - renaming_expr); - field_name.ptr[end - renaming_expr] = '\000'; + buf = malloc (end - renaming_expr + 1); + field_name.ptr = buf; + strncpy (buf, renaming_expr, end - renaming_expr); + buf[end - renaming_expr] = '\000'; renaming_expr = end; write_exp_op_with_string (STRUCTOP_STRUCT, field_name); break; @@ -980,9 +983,9 @@ write_object_renaming (const struct block *orig_left_context, } static struct block* -block_lookup (struct block *context, char *raw_name) +block_lookup (struct block *context, const char *raw_name) { - char *name; + const char *name; struct ada_symbol_info *syms; int nsyms; struct symtab *symtab; diff --git a/gdb/ada-lex.l b/gdb/ada-lex.l index 93df2fb..2f9e1b3 100644 --- a/gdb/ada-lex.l +++ b/gdb/ada-lex.l @@ -497,7 +497,8 @@ processString (const char *text, int len) const char *lim = text + len; struct stoken result; - q = result.ptr = obstack_alloc (&temp_parse_space, len); + q = obstack_alloc (&temp_parse_space, len); + result.ptr = q; p = text; while (p < lim) { diff --git a/gdb/c-exp.y b/gdb/c-exp.y index 3a51878..77713dd 100644 --- a/gdb/c-exp.y +++ b/gdb/c-exp.y @@ -164,7 +164,7 @@ void yyerror (char *); %{ /* YYSTYPE gets defined by %union */ -static int parse_number (char *, int, int, YYSTYPE *); +static int parse_number (const char *, int, int, YYSTYPE *); static struct stoken operator_stoken (const char *); static void check_parameter_typelist (VEC (type_ptr) *); static void write_destructor_name (struct stoken); @@ -970,18 +970,20 @@ qualified_name: TYPENAME COLONCOLON name { struct type *type = $1.type; struct stoken tmp_token; + char *buf; + CHECK_TYPEDEF (type); if (TYPE_CODE (type) != TYPE_CODE_STRUCT && TYPE_CODE (type) != TYPE_CODE_UNION && TYPE_CODE (type) != TYPE_CODE_NAMESPACE) error (_("`%s' is not defined as an aggregate type."), TYPE_SAFE_NAME (type)); - - tmp_token.ptr = (char*) alloca ($4.length + 2); + buf = alloca ($4.length + 2); + tmp_token.ptr = buf; tmp_token.length = $4.length + 1; - tmp_token.ptr[0] = '~'; - memcpy (tmp_token.ptr+1, $4.ptr, $4.length); - tmp_token.ptr[tmp_token.length] = 0; + buf[0] = '~'; + memcpy (buf+1, $4.ptr, $4.length); + buf[tmp_token.length] = 0; /* Check for valid destructor name. */ destructor_name_p (tmp_token.ptr, $1.type); @@ -1651,13 +1653,16 @@ operator_stoken (const char *op) { static const char *operator_string = "operator"; struct stoken st = { NULL, 0 }; + char *buf; + st.length = strlen (operator_string) + strlen (op); - st.ptr = malloc (st.length + 1); - strcpy (st.ptr, operator_string); - strcat (st.ptr, op); + buf = malloc (st.length + 1); + strcpy (buf, operator_string); + strcat (buf, op); + st.ptr = buf; /* The toplevel (c_parse) will free the memory allocated here. */ - make_cleanup (free, st.ptr); + make_cleanup (free, buf); return st; }; @@ -1699,7 +1704,7 @@ check_parameter_typelist (VEC (type_ptr) *params) /*** Needs some error checking for the float case ***/ static int -parse_number (char *p, int len, int parsed_float, YYSTYPE *putithere) +parse_number (const char *buf, int len, int parsed_float, YYSTYPE *putithere) { /* FIXME: Shouldn't these be unsigned? We don't deal with negative values here, and we do kind of silly things like cast to unsigned. */ @@ -1721,6 +1726,10 @@ parse_number (char *p, int len, int parsed_float, YYSTYPE *putithere) ULONGEST high_bit; struct type *signed_type; struct type *unsigned_type; + char *p; + + p = alloca (len); + memcpy (p, buf, len); if (parsed_float) { @@ -1941,9 +1950,9 @@ static int tempbuf_init; character was emitted, 0 otherwise. */ int -c_parse_escape (char **ptr, struct obstack *output) +c_parse_escape (const char **ptr, struct obstack *output) { - char *tokptr = *ptr; + const char *tokptr = *ptr; int result = 1; /* Some escape sequences undergo character set conversion. Those we @@ -2102,8 +2111,8 @@ c_parse_escape (char **ptr, struct obstack *output) CHAR, depending on what was parsed. *HOST_CHARS is set to the number of host characters in the literal. */ static int -parse_string_or_char (char *tokptr, char **outptr, struct typed_stoken *value, - int *host_chars) +parse_string_or_char (const char *tokptr, const char **outptr, + struct typed_stoken *value, int *host_chars) { int quote; enum c_string_type type; @@ -2321,7 +2330,7 @@ static const struct token ident_tokens[] = we evaluate ADDRESS in the scope of the current frame, but we evaluate CONDITION in the scope of the breakpoint's location. So it's simply wrong to try to macro-expand the whole thing at once. */ -static char *macro_original_text; +static const char *macro_original_text; /* We save all intermediate macro expansions on this obstack for the duration of a single parse. The expansion text may sometimes have @@ -2411,7 +2420,7 @@ lex_one_token (void) int c; int namelen; unsigned int i; - char *tokstart; + const char *tokstart; int saw_structop = last_was_structop; char *copy; @@ -2538,7 +2547,7 @@ lex_one_token (void) { /* It's a number. */ int got_dot = 0, got_e = 0, toktype; - char *p = tokstart; + const char *p = tokstart; int hex = input_radix > 10; if (c == '0' && (p[1] == 'x' || p[1] == 'X')) @@ -2590,7 +2599,7 @@ lex_one_token (void) case '@': { - char *p = &tokstart[1]; + const char *p = &tokstart[1]; size_t len = strlen ("entry"); if (parse_language->la_language == language_objc) @@ -2692,7 +2701,8 @@ lex_one_token (void) characters; for comparison expressions, e.g. "a < b > c", there must be spaces before the '<', etc. */ - char * p = find_template_name_end (tokstart + namelen); + const char *p = find_template_name_end (tokstart + namelen); + if (p) namelen = p - tokstart; } @@ -2723,7 +2733,8 @@ lex_one_token (void) && (tokstart[namelen] == ' ' || tokstart[namelen] == '\t') && ! scanning_macro_expansion ()) { - char *p = tokstart + namelen + 1; + const char *p = tokstart + namelen + 1; + while (*p == ' ' || *p == '\t') p++; if (*p >= '0' && *p <= '9') diff --git a/gdb/c-lang.h b/gdb/c-lang.h index 6bf6591..9f8f50d 100644 --- a/gdb/c-lang.h +++ b/gdb/c-lang.h @@ -61,7 +61,7 @@ extern int c_parse (void); extern void c_error (char *); -extern int c_parse_escape (char **, struct obstack *); +extern int c_parse_escape (const char **, struct obstack *); /* Defined in c-typeprint.c */ extern void c_print_type (struct type *, const char *, diff --git a/gdb/cli/cli-cmds.c b/gdb/cli/cli-cmds.c index 4317ea3..886ba7a 100644 --- a/gdb/cli/cli-cmds.c +++ b/gdb/cli/cli-cmds.c @@ -666,7 +666,7 @@ source_command (char *args, int from_tty) static void echo_command (char *text, int from_tty) { - char *p = text; + const char *p = text; int c; if (text) diff --git a/gdb/cli/cli-setshow.c b/gdb/cli/cli-setshow.c index 3e41fd4..45df6f6 100644 --- a/gdb/cli/cli-setshow.c +++ b/gdb/cli/cli-setshow.c @@ -160,7 +160,7 @@ do_set_command (char *arg, int from_tty, struct cmd_list_element *c) case var_string: { char *new; - char *p; + const char *p; char *q; int ch; diff --git a/gdb/completer.c b/gdb/completer.c index e132651..91bf812 100644 --- a/gdb/completer.c +++ b/gdb/completer.c @@ -911,11 +911,12 @@ line_completion_function (const char *text, int matches, QUOTECHARS or BREAKCHARS is NULL, use the same values used by the completer. */ -char * -skip_quoted_chars (char *str, char *quotechars, char *breakchars) +const char * +skip_quoted_chars (const char *str, const char *quotechars, + const char *breakchars) { char quote_char = '\0'; - char *scan; + const char *scan; if (quotechars == NULL) quotechars = gdb_completer_quote_characters; @@ -953,8 +954,8 @@ skip_quoted_chars (char *str, char *quotechars, char *breakchars) characters and word break characters used by the completer). Returns pointer to the location after the "word". */ -char * -skip_quoted (char *str) +const char * +skip_quoted (const char *str) { return skip_quoted_chars (str, NULL, NULL); } diff --git a/gdb/completer.h b/gdb/completer.h index d6090f4..97eb9dd 100644 --- a/gdb/completer.h +++ b/gdb/completer.h @@ -50,8 +50,9 @@ extern char *gdb_completion_word_break_characters (void); /* Exported to linespec.c */ -extern char *skip_quoted_chars (char *, char *, char *); +extern const char *skip_quoted_chars (const char *, const char *, + const char *); -extern char *skip_quoted (char *); +extern const char *skip_quoted (const char *); #endif /* defined (COMPLETER_H) */ @@ -311,8 +311,6 @@ extern void print_transfer_performance (struct ui_file *stream, typedef void initialize_file_ftype (void); -extern char *skip_quoted (char *); - extern char *gdb_readline (char *); extern char *gdb_readline_wrapper (char *); diff --git a/gdb/f-exp.y b/gdb/f-exp.y index 296a7fe..59c5e6c 100644 --- a/gdb/f-exp.y +++ b/gdb/f-exp.y @@ -157,7 +157,7 @@ static int match_string_literal (void); %{ /* YYSTYPE gets defined by %union */ -static int parse_number (char *, int, int, YYSTYPE *); +static int parse_number (const char *, int, int, YYSTYPE *); %} %type <voidval> exp type_exp start variable @@ -669,7 +669,7 @@ name_not_typename : NAME /*** Needs some error checking for the float case ***/ static int -parse_number (char *p, int len, int parsed_float, YYSTYPE *putithere) +parse_number (const char *p, int len, int parsed_float, YYSTYPE *putithere) { LONGEST n = 0; LONGEST prevn = 0; @@ -920,7 +920,7 @@ growbuf_by_size (int count) static int match_string_literal (void) { - char *tokptr = lexptr; + const char *tokptr = lexptr; for (tempbufindex = 0, tokptr++; *tokptr != '\0'; tokptr++) { @@ -955,7 +955,7 @@ yylex (void) int c; int namelen; unsigned int i,token; - char *tokstart; + const char *tokstart; retry: @@ -1054,7 +1054,7 @@ yylex (void) { /* It's a number. */ int got_dot = 0, got_e = 0, got_d = 0, toktype; - char *p = tokstart; + const char *p = tokstart; int hex = input_radix > 10; if (c == '0' && (p[1] == 'x' || p[1] == 'X')) diff --git a/gdb/gdbtypes.c b/gdb/gdbtypes.c index ea5ca21..6c809a4 100644 --- a/gdb/gdbtypes.c +++ b/gdb/gdbtypes.c @@ -1353,7 +1353,7 @@ lookup_template_type (char *name, struct type *type, If NAME is the name of a baseclass type, return that type. */ struct type * -lookup_struct_elt_type (struct type *type, char *name, int noerr) +lookup_struct_elt_type (struct type *type, const char *name, int noerr) { int i; char *typename; diff --git a/gdb/gdbtypes.h b/gdb/gdbtypes.h index 0ca7a87..5e8d1e7 100644 --- a/gdb/gdbtypes.h +++ b/gdb/gdbtypes.h @@ -1508,7 +1508,7 @@ extern const char *type_name_no_tag (const struct type *); extern const char *type_name_no_tag_or_error (struct type *type); -extern struct type *lookup_struct_elt_type (struct type *, char *, int); +extern struct type *lookup_struct_elt_type (struct type *, const char *, int); extern struct type *make_pointer_type (struct type *, struct type **); diff --git a/gdb/go-exp.y b/gdb/go-exp.y index 2ccb394..01c382a 100644 --- a/gdb/go-exp.y +++ b/gdb/go-exp.y @@ -158,7 +158,7 @@ void yyerror (char *); %{ /* YYSTYPE gets defined by %union. */ -static int parse_number (char *, int, int, YYSTYPE *); +static int parse_number (const char *, int, int, YYSTYPE *); static int parse_go_float (struct gdbarch *gdbarch, const char *p, int len, DOUBLEST *d, struct type **t); %} @@ -704,7 +704,7 @@ parse_go_float (struct gdbarch *gdbarch, const char *p, int len, as our YYSTYPE is different than c-exp.y's */ static int -parse_number (char *p, int len, int parsed_float, YYSTYPE *putithere) +parse_number (const char *p, int len, int parsed_float, YYSTYPE *putithere) { /* FIXME: Shouldn't these be unsigned? We don't deal with negative values here, and we do kind of silly things like cast to unsigned. */ @@ -908,8 +908,8 @@ static int tempbuf_init; number of host characters in the literal. */ static int -parse_string_or_char (char *tokptr, char **outptr, struct typed_stoken *value, - int *host_chars) +parse_string_or_char (const char *tokptr, const char **outptr, + struct typed_stoken *value, int *host_chars) { int quote; @@ -1049,7 +1049,7 @@ lex_one_token (void) int c; int namelen; unsigned int i; - char *tokstart; + const char *tokstart; int saw_structop = last_was_structop; char *copy; @@ -1143,7 +1143,7 @@ lex_one_token (void) { /* It's a number. */ int got_dot = 0, got_e = 0, toktype; - char *p = tokstart; + const char *p = tokstart; int hex = input_radix > 10; if (c == '0' && (p[1] == 'x' || p[1] == 'X')) @@ -1190,7 +1190,7 @@ lex_one_token (void) case '@': { - char *p = &tokstart[1]; + const char *p = &tokstart[1]; size_t len = strlen ("entry"); while (isspace (*p)) @@ -1283,7 +1283,8 @@ lex_one_token (void) && strncmp (tokstart, "thread", namelen) == 0 && (tokstart[namelen] == ' ' || tokstart[namelen] == '\t')) { - char *p = tokstart + namelen + 1; + const char *p = tokstart + namelen + 1; + while (*p == ' ' || *p == '\t') p++; if (*p >= '0' && *p <= '9') diff --git a/gdb/jv-exp.y b/gdb/jv-exp.y index a4e1253..2c5154e 100644 --- a/gdb/jv-exp.y +++ b/gdb/jv-exp.y @@ -47,6 +47,7 @@ #include "symfile.h" /* Required by objfiles.h. */ #include "objfiles.h" /* For have_full_symbols and have_partial_symbols */ #include "block.h" +#include "completer.h" #define parse_type builtin_type (parse_gdbarch) #define parse_java_type builtin_java_type (parse_gdbarch) @@ -154,7 +155,7 @@ static void insert_exp (int, struct expression *); %{ /* YYSTYPE gets defined by %union */ -static int parse_number (char *, int, int, YYSTYPE *); +static int parse_number (const char *, int, int, YYSTYPE *); %} %type <lval> rcurly Dims Dims_opt @@ -345,10 +346,13 @@ QualifiedName: $$.ptr = $1.ptr; /* Optimization. */ else { - $$.ptr = (char *) malloc ($$.length + 1); - make_cleanup (free, $$.ptr); - sprintf ($$.ptr, "%.*s.%.*s", + char *buf; + + buf = malloc ($$.length + 1); + make_cleanup (free, buf); + sprintf (buf, "%.*s.%.*s", $1.length, $1.ptr, $3.length, $3.ptr); + $$.ptr = buf; } } ; @@ -696,7 +700,7 @@ Expression: /*** Needs some error checking for the float case ***/ static int -parse_number (char *p, int len, int parsed_float, YYSTYPE *putithere) +parse_number (const char *p, int len, int parsed_float, YYSTYPE *putithere) { ULONGEST n = 0; ULONGEST limit, limit_div_base; @@ -858,8 +862,8 @@ yylex (void) int c; int namelen; unsigned int i; - char *tokstart; - char *tokptr; + const char *tokstart; + const char *tokptr; int tempbufindex; static char *tempbuf; static int tempbufsize; @@ -966,7 +970,7 @@ yylex (void) { /* It's a number. */ int got_dot = 0, got_e = 0, toktype; - char *p = tokstart; + const char *p = tokstart; int hex = input_radix > 10; if (c == '0' && (p[1] == 'x' || p[1] == 'X')) diff --git a/gdb/linespec.c b/gdb/linespec.c index 8b7f3bd..9468f26 100644 --- a/gdb/linespec.c +++ b/gdb/linespec.c @@ -278,10 +278,10 @@ struct ls_parser struct { /* Save head of input stream. */ - char *saved_arg; + const char *saved_arg; /* Head of the input stream. */ - char **stream; + const char **stream; #define PARSER_STREAM(P) (*(P)->lexer.stream) /* The current token. */ @@ -320,7 +320,7 @@ static CORE_ADDR linespec_expression_to_pc (const char **exp_ptr); static struct symtabs_and_lines decode_objc (struct linespec_state *self, linespec_p ls, - char **argptr); + const char **argptr); static VEC (symtab_ptr) *symtabs_from_filename (const char *); @@ -515,12 +515,12 @@ is_closing_quote_enclosed (const char *p) This helper function assists with lexing string segments which might contain valid (non-terminating) commas. */ -static char * -find_parameter_list_end (char *input) +static const char * +find_parameter_list_end (const char *input) { char end_char, start_char; int depth; - char *p; + const char *p; start_char = *input; if (start_char == '(') @@ -557,7 +557,7 @@ static linespec_token linespec_lexer_lex_string (linespec_parser *parser) { linespec_token token; - char *start = PARSER_STREAM (parser); + const char *start = PARSER_STREAM (parser); token.type = LSTOKEN_STRING; @@ -607,7 +607,7 @@ linespec_lexer_lex_string (linespec_parser *parser) } else { - char *p; + const char *p; /* Otherwise, only identifier characters are permitted. Spaces are the exception. In general, we keep spaces, @@ -621,7 +621,7 @@ linespec_lexer_lex_string (linespec_parser *parser) { if (isspace (*PARSER_STREAM (parser))) { - p = skip_spaces (PARSER_STREAM (parser)); + p = skip_spaces_const (PARSER_STREAM (parser)); /* When we get here we know we've found something followed by a space (we skip over parens and templates below). So if we find a keyword now, we know it is a keyword and not, @@ -681,7 +681,7 @@ linespec_lexer_lex_string (linespec_parser *parser) else if (*PARSER_STREAM (parser) == '<' || *PARSER_STREAM (parser) == '(') { - char *p; + const char *p; p = find_parameter_list_end (PARSER_STREAM (parser)); if (p != NULL) @@ -733,7 +733,7 @@ linespec_lexer_lex_one (linespec_parser *parser) if (parser->lexer.current.type == LSTOKEN_CONSUMED) { /* Skip any whitespace. */ - PARSER_STREAM (parser) = skip_spaces (PARSER_STREAM (parser)); + PARSER_STREAM (parser) = skip_spaces_const (PARSER_STREAM (parser)); /* Check for a keyword, they end the linespec. */ keyword = NULL; @@ -819,7 +819,7 @@ static linespec_token linespec_lexer_peek_token (linespec_parser *parser) { linespec_token next; - char *saved_stream = PARSER_STREAM (parser); + const char *saved_stream = PARSER_STREAM (parser); linespec_token saved_token = parser->lexer.current; next = linespec_lexer_consume_token (parser); @@ -2144,7 +2144,7 @@ convert_linespec_to_sals (struct linespec_state *state, linespec_p ls) /* Parse the linespec in ARGPTR. */ static struct symtabs_and_lines -parse_linespec (linespec_parser *parser, char **argptr) +parse_linespec (linespec_parser *parser, const char **argptr) { linespec_token token; struct symtabs_and_lines values; @@ -2426,6 +2426,7 @@ decode_line_full (char **argptr, int flags, VEC (const_char_ptr) *filters = NULL; linespec_parser parser; struct linespec_state *state; + const char *copy, *orig; gdb_assert (canonical != NULL); /* The filter only makes sense for 'all'. */ @@ -2441,7 +2442,9 @@ decode_line_full (char **argptr, int flags, cleanups = make_cleanup (linespec_parser_delete, &parser); save_current_program_space (); - result = parse_linespec (&parser, argptr); + orig = copy = *argptr; + result = parse_linespec (&parser, ©); + *argptr += copy - orig; state = PARSER_STATE (&parser); gdb_assert (result.nelts == 1 || canonical->pre_expanded); @@ -2496,13 +2499,16 @@ decode_line_1 (char **argptr, int flags, struct symtabs_and_lines result; linespec_parser parser; struct cleanup *cleanups; + const char *copy, *orig; linespec_parser_new (&parser, flags, current_language, default_symtab, default_line, NULL); cleanups = make_cleanup (linespec_parser_delete, &parser); save_current_program_space (); - result = parse_linespec (&parser, argptr); + orig = copy = *argptr; + result = parse_linespec (&parser, ©); + *argptr += copy - orig; do_cleanups (cleanups); return result; @@ -2602,12 +2608,12 @@ linespec_expression_to_pc (const char **exp_ptr) the existing C++ code to let the user choose one. */ static struct symtabs_and_lines -decode_objc (struct linespec_state *self, linespec_p ls, char **argptr) +decode_objc (struct linespec_state *self, linespec_p ls, const char **argptr) { struct collect_info info; VEC (const_char_ptr) *symbol_names = NULL; struct symtabs_and_lines values; - char *new_argptr; + const char *new_argptr; struct cleanup *cleanup = make_cleanup (VEC_cleanup (const_char_ptr), &symbol_names); @@ -3053,7 +3059,7 @@ find_function_symbols (struct linespec_state *state, info.file_symtabs = file_symtabs; /* Try NAME as an Objective-C selector. */ - find_imps ((char *) name, &symbol_names); + find_imps (name, &symbol_names); if (!VEC_empty (const_char_ptr, symbol_names)) add_all_symbol_names_from_pspace (&info, NULL, symbol_names); else diff --git a/gdb/m2-exp.y b/gdb/m2-exp.y index eaa5a23..0002e45 100644 --- a/gdb/m2-exp.y +++ b/gdb/m2-exp.y @@ -662,7 +662,7 @@ type static int parse_number (int olen) { - char *p = lexptr; + const char *p = lexptr; LONGEST n = 0; LONGEST prevn = 0; int c,i,ischar=0; @@ -814,7 +814,7 @@ yylex (void) int c; int namelen; int i; - char *tokstart; + const char *tokstart; char quote; retry: @@ -927,7 +927,7 @@ yylex (void) { /* It's a number. */ int got_dot = 0, got_e = 0; - char *p = tokstart; + const char *p = tokstart; int toktype; for (++p ;; ++p) diff --git a/gdb/macroexp.c b/gdb/macroexp.c index d88dac3..3d98550f 100644 --- a/gdb/macroexp.c +++ b/gdb/macroexp.c @@ -360,8 +360,11 @@ get_character_constant (struct macro_buffer *tok, char *p, char *end) } else if (*p == '\\') { - p++; - char_count += c_parse_escape (&p, NULL); + const char *s, *o; + + s = o = ++p; + char_count += c_parse_escape (&s, NULL); + p += s - o; } else { @@ -414,8 +417,11 @@ get_string_literal (struct macro_buffer *tok, char *p, char *end) "constants.")); else if (*p == '\\') { - p++; - c_parse_escape (&p, NULL); + const char *s, *o; + + s = o = ++p; + c_parse_escape (&s, NULL); + p += s - o; } else p++; @@ -1434,7 +1440,7 @@ macro_expand_once (const char *source, char * -macro_expand_next (char **lexptr, +macro_expand_next (const char **lexptr, macro_lookup_ftype *lookup_func, void *lookup_baton) { @@ -1442,7 +1448,7 @@ macro_expand_next (char **lexptr, struct cleanup *back_to; /* Set up SRC to refer to the input text, pointed to by *lexptr. */ - init_shared_buffer (&src, *lexptr, strlen (*lexptr)); + init_shared_buffer (&src, (char *) *lexptr, strlen (*lexptr)); /* Set up DEST to receive the expansion, if there is one. */ init_buffer (&dest, 0); diff --git a/gdb/macroexp.h b/gdb/macroexp.h index cbe9629..8bf4b7f 100644 --- a/gdb/macroexp.h +++ b/gdb/macroexp.h @@ -80,7 +80,7 @@ char *macro_expand_once (const char *source, much have to do tokenization to find the end of the string that needs to be macro-expanded. Our C/C++ tokenizer isn't really designed to be called by anything but the yacc parser engine. */ -char *macro_expand_next (char **lexptr, +char *macro_expand_next (const char **lexptr, macro_lookup_ftype *lookup_func, void *lookup_baton); diff --git a/gdb/objc-lang.c b/gdb/objc-lang.c index 734fc5d..bcce435 100644 --- a/gdb/objc-lang.c +++ b/gdb/objc-lang.c @@ -426,7 +426,8 @@ start_msglist(void) void add_msglist(struct stoken *str, int addcolon) { - char *s, *p; + char *s; + const char *p; int len, plen; if (str == 0) /* Unnamed arg, or... */ @@ -1071,7 +1072,7 @@ uniquify_strings (VEC (const_char_ptr) **strings) } /* - * Function: find_imps (char *selector, struct symbol **sym_arr) + * Function: find_imps (const char *selector, struct symbol **sym_arr) * * Input: a string representing a selector * a pointer to an array of symbol pointers @@ -1100,8 +1101,8 @@ uniquify_strings (VEC (const_char_ptr) **strings) * be the index of the first non-debuggable one). */ -char * -find_imps (char *method, VEC (const_char_ptr) **symbol_names) +const char * +find_imps (const char *method, VEC (const_char_ptr) **symbol_names) { char type = '\0'; char *class = NULL; diff --git a/gdb/objc-lang.h b/gdb/objc-lang.h index 23fac1b..2409363 100644 --- a/gdb/objc-lang.h +++ b/gdb/objc-lang.h @@ -36,7 +36,8 @@ extern char *objc_demangle (const char *mangled, int options); extern int find_objc_msgcall (CORE_ADDR pc, CORE_ADDR *new_pc); -extern char *find_imps (char *method, VEC (const_char_ptr) **symbol_names); +extern const char * + find_imps (const char *method, VEC (const_char_ptr) **symbol_names); extern struct value *value_nsstring (struct gdbarch *gdbarch, char *ptr, int len); diff --git a/gdb/p-exp.y b/gdb/p-exp.y index da8d5f7..de14cbb 100644 --- a/gdb/p-exp.y +++ b/gdb/p-exp.y @@ -55,6 +55,7 @@ #include "symfile.h" /* Required by objfiles.h. */ #include "objfiles.h" /* For have_full_symbols and have_partial_symbols. */ #include "block.h" +#include "completer.h" #define parse_type builtin_type (parse_gdbarch) @@ -158,7 +159,7 @@ static char * uptok (char *, int); %{ /* YYSTYPE gets defined by %union */ -static int parse_number (char *, int, int, YYSTYPE *); +static int parse_number (const char *, int, int, YYSTYPE *); static struct type *current_type; static struct internalvar *intvar; @@ -352,9 +353,12 @@ exp : exp '[' if (arrayfieldindex) { struct stoken stringsval; - stringsval.ptr = alloca (strlen (arrayname) + 1); + char *buf; + + buf = alloca (strlen (arrayname) + 1); + stringsval.ptr = buf; stringsval.length = strlen (arrayname); - strcpy (stringsval.ptr, arrayname); + strcpy (buf, arrayname); current_type = TYPE_FIELD_TYPE (current_type, arrayfieldindex - 1); write_exp_elt_opcode (STRUCTOP_STRUCT); @@ -591,7 +595,8 @@ exp : STRING the array upper bound is the string length. There is no such thing in C as a completely empty string. */ - char *sp = $1.ptr; int count = $1.length; + const char *sp = $1.ptr; int count = $1.length; + while (count-- > 0) { write_exp_elt_opcode (OP_LONG); @@ -854,7 +859,7 @@ name_not_typename : NAME /*** Needs some error checking for the float case ***/ static int -parse_number (char *p, int len, int parsed_float, YYSTYPE *putithere) +parse_number (const char *p, int len, int parsed_float, YYSTYPE *putithere) { /* FIXME: Shouldn't these be unsigned? We don't deal with negative values here, and we do kind of silly things like cast to unsigned. */ @@ -1141,8 +1146,10 @@ yylex (void) prev_lexptr = lexptr; - tokstart = lexptr; explen = strlen (lexptr); + tokstart = alloca (explen + 1); + memcpy (tokstart, lexptr, explen + 1); + /* See if it is a special token of length 3. */ if (explen > 2) for (i = 0; i < sizeof (tokentab3) / sizeof (tokentab3[0]); i++) @@ -1361,13 +1368,18 @@ yylex (void) /* Do nothing, loop will terminate. */ break; case '\\': - tokptr++; - c = parse_escape (parse_gdbarch, &tokptr); - if (c == -1) - { - continue; - } - tempbuf[tempbufindex++] = c; + { + const char *s, *o; + + o = s = ++tokptr; + c = parse_escape (parse_gdbarch, &s); + *tokptr += s - o; + if (c == -1) + { + continue; + } + tempbuf[tempbufindex++] = c; + } break; default: tempbuf[tempbufindex++] = *tokptr++; @@ -1623,8 +1635,8 @@ yylex (void) distinction) named x, then this code incorrectly thinks we are dealing with nested types rather than a member function. */ - char *p; - char *namestart; + const char *p; + const char *namestart; struct symbol *best_sym; /* Look ahead to detect nested types. This probably should be diff --git a/gdb/parse.c b/gdb/parse.c index 674342b..07c1765 100644 --- a/gdb/parse.c +++ b/gdb/parse.c @@ -75,8 +75,8 @@ CORE_ADDR expression_context_pc; const struct block *innermost_block; int arglist_len; static struct type_stack type_stack; -char *lexptr; -char *prev_lexptr; +const char *lexptr; +const char *prev_lexptr; int paren_depth; int comma_terminates; @@ -123,7 +123,7 @@ static int prefixify_subexp (struct expression *, struct expression *, int, static struct expression *parse_exp_in_context (const char **, CORE_ADDR, const struct block *, int, int, int *); -static struct expression *parse_exp_in_context_1 (char **, CORE_ADDR, +static struct expression *parse_exp_in_context_1 (const char **, CORE_ADDR, const struct block *, int, int, int *); @@ -733,8 +733,8 @@ handle_register: } -char * -find_template_name_end (char *p) +const char * +find_template_name_end (const char *p) { int depth = 1; int just_seen_right = 0; @@ -1142,16 +1142,8 @@ parse_exp_in_context (const char **stringptr, CORE_ADDR pc, const struct block *block, int comma, int void_context_p, int *out_subexp) { - struct expression *expr; - char *const_hack = *stringptr ? xstrdup (*stringptr) : NULL; - char *orig = const_hack; - struct cleanup *back_to = make_cleanup (xfree, const_hack); - - expr = parse_exp_in_context_1 (&const_hack, pc, block, comma, + return parse_exp_in_context_1 (stringptr, pc, block, comma, void_context_p, out_subexp); - (*stringptr) += const_hack - orig; - do_cleanups (back_to); - return expr; } /* As for parse_exp_1, except that if VOID_CONTEXT_P, then @@ -1162,7 +1154,7 @@ parse_exp_in_context (const char **stringptr, CORE_ADDR pc, is left untouched. */ static struct expression * -parse_exp_in_context_1 (char **stringptr, CORE_ADDR pc, +parse_exp_in_context_1 (const char **stringptr, CORE_ADDR pc, const struct block *block, int comma, int void_context_p, int *out_subexp) { diff --git a/gdb/parser-defs.h b/gdb/parser-defs.h index 92daca9..ed022ad 100644 --- a/gdb/parser-defs.h +++ b/gdb/parser-defs.h @@ -67,7 +67,7 @@ extern int arglist_len; struct stoken { /* Pointer to first byte of char-string or first bit of bit-string. */ - char *ptr; + const char *ptr; /* Length of string in bytes for char-string or bits for bit-string. */ int length; }; @@ -201,7 +201,7 @@ extern void write_dollar_variable (struct stoken str); extern void mark_struct_expression (void); -extern char *find_template_name_end (char *); +extern const char *find_template_name_end (const char *); extern void start_arglist (void); @@ -264,11 +264,11 @@ extern int parse_c_float (struct gdbarch *gdbarch, const char *p, int len, /* During parsing of a C expression, the pointer to the next character is in this variable. */ -extern char *lexptr; +extern const char *lexptr; /* After a token has been recognized, this variable points to it. Currently used only for error reporting. */ -extern char *prev_lexptr; +extern const char *prev_lexptr; /* Current depth in parentheses within the expression. */ diff --git a/gdb/utils.c b/gdb/utils.c index 0652197..26879ec 100644 --- a/gdb/utils.c +++ b/gdb/utils.c @@ -1412,7 +1412,7 @@ host_char_to_target (struct gdbarch *gdbarch, int c, int *target_c) after the zeros. A value of 0 does not mean end of string. */ int -parse_escape (struct gdbarch *gdbarch, char **string_ptr) +parse_escape (struct gdbarch *gdbarch, const char **string_ptr) { int target_char = -2; /* Initialize to avoid GCC warnings. */ int c = *(*string_ptr)++; diff --git a/gdb/utils.h b/gdb/utils.h index 143cd6b..3492f09 100644 --- a/gdb/utils.h +++ b/gdb/utils.h @@ -64,7 +64,7 @@ struct timeval get_prompt_for_continue_wait_time (void); extern int parse_pid_to_attach (char *args); -extern int parse_escape (struct gdbarch *, char **); +extern int parse_escape (struct gdbarch *, const char **); char **gdb_buildargv (const char *); |