diff options
Diffstat (limited to 'gdb/c-exp.y')
| -rw-r--r-- | gdb/c-exp.y | 157 |
1 files changed, 75 insertions, 82 deletions
diff --git a/gdb/c-exp.y b/gdb/c-exp.y index 219b008..0db8c0b 100644 --- a/gdb/c-exp.y +++ b/gdb/c-exp.y @@ -1366,36 +1366,70 @@ struct token char *operator; int token; enum exp_opcode opcode; + int cxx_only; }; static const struct token tokentab3[] = { - {">>=", ASSIGN_MODIFY, BINOP_RSH}, - {"<<=", ASSIGN_MODIFY, BINOP_LSH} + {">>=", ASSIGN_MODIFY, BINOP_RSH, 0}, + {"<<=", ASSIGN_MODIFY, BINOP_LSH, 0} }; static const struct token tokentab2[] = { - {"+=", ASSIGN_MODIFY, BINOP_ADD}, - {"-=", ASSIGN_MODIFY, BINOP_SUB}, - {"*=", ASSIGN_MODIFY, BINOP_MUL}, - {"/=", ASSIGN_MODIFY, BINOP_DIV}, - {"%=", ASSIGN_MODIFY, BINOP_REM}, - {"|=", ASSIGN_MODIFY, BINOP_BITWISE_IOR}, - {"&=", ASSIGN_MODIFY, BINOP_BITWISE_AND}, - {"^=", ASSIGN_MODIFY, BINOP_BITWISE_XOR}, - {"++", INCREMENT, BINOP_END}, - {"--", DECREMENT, BINOP_END}, - {"->", ARROW, BINOP_END}, - {"&&", ANDAND, BINOP_END}, - {"||", OROR, BINOP_END}, - {"::", COLONCOLON, BINOP_END}, - {"<<", LSH, BINOP_END}, - {">>", RSH, BINOP_END}, - {"==", EQUAL, BINOP_END}, - {"!=", NOTEQUAL, BINOP_END}, - {"<=", LEQ, BINOP_END}, - {">=", GEQ, BINOP_END} + {"+=", ASSIGN_MODIFY, BINOP_ADD, 0}, + {"-=", ASSIGN_MODIFY, BINOP_SUB, 0}, + {"*=", ASSIGN_MODIFY, BINOP_MUL, 0}, + {"/=", ASSIGN_MODIFY, BINOP_DIV, 0}, + {"%=", ASSIGN_MODIFY, BINOP_REM, 0}, + {"|=", ASSIGN_MODIFY, BINOP_BITWISE_IOR, 0}, + {"&=", ASSIGN_MODIFY, BINOP_BITWISE_AND, 0}, + {"^=", ASSIGN_MODIFY, BINOP_BITWISE_XOR, 0}, + {"++", INCREMENT, BINOP_END, 0}, + {"--", DECREMENT, BINOP_END, 0}, + {"->", ARROW, BINOP_END, 0}, + {"&&", ANDAND, BINOP_END, 0}, + {"||", OROR, BINOP_END, 0}, + {"::", COLONCOLON, BINOP_END, 0}, + {"<<", LSH, BINOP_END, 0}, + {">>", RSH, BINOP_END, 0}, + {"==", EQUAL, BINOP_END, 0}, + {"!=", NOTEQUAL, BINOP_END, 0}, + {"<=", LEQ, BINOP_END, 0}, + {">=", GEQ, BINOP_END, 0} + }; + +/* Identifier-like tokens. */ +static const struct token ident_tokens[] = + { + {"unsigned", UNSIGNED, OP_NULL, 0}, + {"template", TEMPLATE, OP_NULL, 1}, + {"volatile", VOLATILE_KEYWORD, OP_NULL, 0}, + {"struct", STRUCT, OP_NULL, 0}, + {"signed", SIGNED_KEYWORD, OP_NULL, 0}, + {"sizeof", SIZEOF, OP_NULL, 0}, + {"double", DOUBLE_KEYWORD, OP_NULL, 0}, + {"false", FALSEKEYWORD, OP_NULL, 1}, + {"class", CLASS, OP_NULL, 1}, + {"union", UNION, OP_NULL, 0}, + {"short", SHORT, OP_NULL, 0}, + {"const", CONST_KEYWORD, OP_NULL, 0}, + {"enum", ENUM, OP_NULL, 0}, + {"long", LONG, OP_NULL, 0}, + {"true", TRUEKEYWORD, OP_NULL, 1}, + {"int", INT_KEYWORD, OP_NULL, 0}, + + {"and", ANDAND, BINOP_END, 1}, + {"and_eq", ASSIGN_MODIFY, BINOP_BITWISE_AND, 1}, + {"bitand", '&', OP_NULL, 1}, + {"bitor", '|', OP_NULL, 1}, + {"compl", '~', OP_NULL, 1}, + {"not", '!', OP_NULL, 1}, + {"not_eq", NOTEQUAL, BINOP_END, 1}, + {"or", OROR, BINOP_END, 1}, + {"or_eq", ASSIGN_MODIFY, BINOP_BITWISE_IOR, 1}, + {"xor", '^', OP_NULL, 1}, + {"xor_eq", ASSIGN_MODIFY, BINOP_BITWISE_XOR, 1} }; /* When we find that lexptr (the global var defined in parse.c) is @@ -1503,6 +1537,7 @@ yylex () char * token_string = NULL; int class_prefix = 0; int saw_structop = last_was_structop; + char *copy; last_was_structop = 0; @@ -1839,65 +1874,24 @@ yylex () tryname: - /* Catch specific keywords. Should be done with a data structure. */ - switch (namelen) - { - case 8: - if (strncmp (tokstart, "unsigned", 8) == 0) - return UNSIGNED; - if (parse_language->la_language == language_cplus - && strncmp (tokstart, "template", 8) == 0) - return TEMPLATE; - if (strncmp (tokstart, "volatile", 8) == 0) - return VOLATILE_KEYWORD; - break; - case 6: - if (strncmp (tokstart, "struct", 6) == 0) - return STRUCT; - if (strncmp (tokstart, "signed", 6) == 0) - return SIGNED_KEYWORD; - if (strncmp (tokstart, "sizeof", 6) == 0) - return SIZEOF; - if (strncmp (tokstart, "double", 6) == 0) - return DOUBLE_KEYWORD; - break; - case 5: - if (parse_language->la_language == language_cplus) - { - if (strncmp (tokstart, "false", 5) == 0) - return FALSEKEYWORD; - if (strncmp (tokstart, "class", 5) == 0) - return CLASS; - } - if (strncmp (tokstart, "union", 5) == 0) - return UNION; - if (strncmp (tokstart, "short", 5) == 0) - return SHORT; - if (strncmp (tokstart, "const", 5) == 0) - return CONST_KEYWORD; - break; - case 4: - if (strncmp (tokstart, "enum", 4) == 0) - return ENUM; - if (strncmp (tokstart, "long", 4) == 0) - return LONG; - if (parse_language->la_language == language_cplus) - { - if (strncmp (tokstart, "true", 4) == 0) - return TRUEKEYWORD; - } - break; - case 3: - if (strncmp (tokstart, "int", 3) == 0) - return INT_KEYWORD; - break; - default: - break; - } - yylval.sval.ptr = tokstart; yylval.sval.length = namelen; + /* Catch specific keywords. */ + copy = copy_name (yylval.sval); + for (i = 0; i < sizeof ident_tokens / sizeof ident_tokens[0]; i++) + if (strcmp (copy, ident_tokens[i].operator) == 0) + { + if (ident_tokens[i].cxx_only + && parse_language->la_language != language_cplus) + break; + + /* It is ok to always set this, even though we don't always + strictly need to. */ + yylval.opcode = ident_tokens[i].opcode; + return ident_tokens[i].token; + } + if (*tokstart == '$') { write_dollar_variable (yylval.sval); @@ -1910,12 +1904,11 @@ yylex () currently as names of types; NAME for other symbols. The caller is not constrained to care about the distinction. */ { - char *tmp = copy_name (yylval.sval); struct symbol *sym; int is_a_field_of_this = 0; int hextype; - sym = lookup_symbol (tmp, expression_context_block, + sym = lookup_symbol (copy, expression_context_block, VAR_DOMAIN, parse_language->la_language == language_cplus ? &is_a_field_of_this : (int *) NULL); @@ -1932,7 +1925,7 @@ yylex () { /* See if it's a file name. */ struct symtab *symtab; - symtab = lookup_symtab (tmp); + symtab = lookup_symtab (copy); if (symtab) { @@ -1951,7 +1944,7 @@ yylex () } yylval.tsym.type = language_lookup_primitive_type_by_name (parse_language, - parse_gdbarch, tmp); + parse_gdbarch, copy); if (yylval.tsym.type != NULL) return TYPENAME; |