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authorTom Tromey <tromey@redhat.com>2008-12-22 14:21:01 +0000
committerTom Tromey <tromey@redhat.com>2008-12-22 14:21:01 +0000
commitba163c7e4485a5653070684f15f8eb06d62683a5 (patch)
tree7cd9f481ac3dc809d514c76e129a8a62aec0683b /gdb/c-exp.y
parent9a61c7a6d7efba6be879313c546887243f50d8ae (diff)
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* c-exp.y (ident_tokens): New global. (struct token) <cxx_only>: New field. (tokentab3): Update. (tokentab2): Update. (yylex): Use ident_tokens. gdb/testsuite * gdb.cp/punctuator.exp: New file.
Diffstat (limited to 'gdb/c-exp.y')
-rw-r--r--gdb/c-exp.y157
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;