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[PATCH 10/10] Go programming language
- From: Sergio Durigan Junior <sergiodj at redhat dot com>
- To: GDB Patches <gdb-patches at sourceware dot org>
- Cc: Tom Tromey <tromey at redhat dot com>, Sergio Durigan Junior <sergiodj at redhat dot com>
- Date: Sat, 2 Jun 2012 16:32:08 -0300
- Subject: [PATCH 10/10] Go programming language
- References: <1338665528-5932-1-git-send-email-sergiodj@redhat.com>
Patch for the Go programming language. Similar to the C language one.
---
gdb/go-exp.y | 268 +++++++++++++++++++++++++++++++--------------------------
gdb/go-lang.h | 4 +-
2 files changed, 148 insertions(+), 124 deletions(-)
diff --git a/gdb/go-exp.y b/gdb/go-exp.y
index c3171c3..7e02283 100644
--- a/gdb/go-exp.y
+++ b/gdb/go-exp.y
@@ -66,7 +66,7 @@
#include "charset.h"
#include "block.h"
-#define parse_type builtin_type (parse_gdbarch)
+#define parse_type(ps) builtin_type (parse_gdbarch (ps))
/* Remap normal yacc parser interface names (yyparse, yylex, yyerror, etc),
as well as gratuitiously global symbol names, so we can have multiple
@@ -76,7 +76,7 @@
generators need to be fixed instead of adding those names to this list. */
#define yymaxdepth go_maxdepth
-#define yyparse go_parse_internal
+#define yyparse _go_parse
#define yylex go_lex
#define yyerror go_error
#define yylval go_lval
@@ -122,6 +122,11 @@
#define YYFPRINTF parser_fprintf
+/* The state of the parser, used internally when we are parsing the
+ expression. */
+
+static struct parser_state *pstate = NULL;
+
int yyparse (void);
static int yylex (void);
@@ -158,7 +163,7 @@ void yyerror (char *);
%{
/* YYSTYPE gets defined by %union. */
-static int parse_number (char *, int, int, YYSTYPE *);
+static int parse_number (struct parser_state *, char *, int, int, YYSTYPE *);
static int parse_go_float (struct gdbarch *gdbarch, const char *p, int len,
DOUBLEST *d, struct type **t);
%}
@@ -239,77 +244,77 @@ start : exp1
;
type_exp: type
- { write_exp_elt_opcode(OP_TYPE);
- write_exp_elt_type($1);
- write_exp_elt_opcode(OP_TYPE); }
+ { write_exp_elt_opcode (pstate, OP_TYPE);
+ write_exp_elt_type (pstate, $1);
+ write_exp_elt_opcode (pstate, OP_TYPE); }
;
/* Expressions, including the comma operator. */
exp1 : exp
| exp1 ',' exp
- { write_exp_elt_opcode (BINOP_COMMA); }
+ { write_exp_elt_opcode (pstate, BINOP_COMMA); }
;
/* Expressions, not including the comma operator. */
exp : '*' exp %prec UNARY
- { write_exp_elt_opcode (UNOP_IND); }
+ { write_exp_elt_opcode (pstate, UNOP_IND); }
;
exp : '&' exp %prec UNARY
- { write_exp_elt_opcode (UNOP_ADDR); }
+ { write_exp_elt_opcode (pstate, UNOP_ADDR); }
;
exp : '-' exp %prec UNARY
- { write_exp_elt_opcode (UNOP_NEG); }
+ { write_exp_elt_opcode (pstate, UNOP_NEG); }
;
exp : '+' exp %prec UNARY
- { write_exp_elt_opcode (UNOP_PLUS); }
+ { write_exp_elt_opcode (pstate, UNOP_PLUS); }
;
exp : '!' exp %prec UNARY
- { write_exp_elt_opcode (UNOP_LOGICAL_NOT); }
+ { write_exp_elt_opcode (pstate, UNOP_LOGICAL_NOT); }
;
exp : '^' exp %prec UNARY
- { write_exp_elt_opcode (UNOP_COMPLEMENT); }
+ { write_exp_elt_opcode (pstate, UNOP_COMPLEMENT); }
;
exp : exp INCREMENT %prec UNARY
- { write_exp_elt_opcode (UNOP_POSTINCREMENT); }
+ { write_exp_elt_opcode (pstate, UNOP_POSTINCREMENT); }
;
exp : exp DECREMENT %prec UNARY
- { write_exp_elt_opcode (UNOP_POSTDECREMENT); }
+ { write_exp_elt_opcode (pstate, UNOP_POSTDECREMENT); }
;
/* foo->bar is not in Go. May want as a gdb extension. Later. */
exp : exp '.' name_not_typename
- { write_exp_elt_opcode (STRUCTOP_STRUCT);
- write_exp_string ($3.stoken);
- write_exp_elt_opcode (STRUCTOP_STRUCT); }
+ { write_exp_elt_opcode (pstate, STRUCTOP_STRUCT);
+ write_exp_string (pstate, $3.stoken);
+ write_exp_elt_opcode (pstate, STRUCTOP_STRUCT); }
;
exp : exp '.' name_not_typename COMPLETE
- { mark_struct_expression ();
- write_exp_elt_opcode (STRUCTOP_STRUCT);
- write_exp_string ($3.stoken);
- write_exp_elt_opcode (STRUCTOP_STRUCT); }
+ { mark_struct_expression (pstate);
+ write_exp_elt_opcode (pstate, STRUCTOP_STRUCT);
+ write_exp_string (pstate, $3.stoken);
+ write_exp_elt_opcode (pstate, STRUCTOP_STRUCT); }
;
exp : exp '.' COMPLETE
{ struct stoken s;
- mark_struct_expression ();
- write_exp_elt_opcode (STRUCTOP_STRUCT);
+ mark_struct_expression (pstate);
+ write_exp_elt_opcode (pstate, STRUCTOP_STRUCT);
s.ptr = "";
s.length = 0;
- write_exp_string (s);
- write_exp_elt_opcode (STRUCTOP_STRUCT); }
+ write_exp_string (pstate, s);
+ write_exp_elt_opcode (pstate, STRUCTOP_STRUCT); }
;
exp : exp '[' exp1 ']'
- { write_exp_elt_opcode (BINOP_SUBSCRIPT); }
+ { write_exp_elt_opcode (pstate, BINOP_SUBSCRIPT); }
;
exp : exp '('
@@ -317,9 +322,10 @@ exp : exp '('
being accumulated by an outer function call. */
{ start_arglist (); }
arglist ')' %prec LEFT_ARROW
- { write_exp_elt_opcode (OP_FUNCALL);
- write_exp_elt_longcst ((LONGEST) end_arglist ());
- write_exp_elt_opcode (OP_FUNCALL); }
+ { write_exp_elt_opcode (pstate, OP_FUNCALL);
+ write_exp_elt_longcst (pstate,
+ (LONGEST) end_arglist ());
+ write_exp_elt_opcode (pstate, OP_FUNCALL); }
;
lcurly : '{'
@@ -342,15 +348,15 @@ rcurly : '}'
;
exp : lcurly type rcurly exp %prec UNARY
- { write_exp_elt_opcode (UNOP_MEMVAL);
- write_exp_elt_type ($2);
- write_exp_elt_opcode (UNOP_MEMVAL); }
+ { write_exp_elt_opcode (pstate, UNOP_MEMVAL);
+ write_exp_elt_type (pstate, $2);
+ write_exp_elt_opcode (pstate, UNOP_MEMVAL); }
;
exp : type '(' exp ')' %prec UNARY
- { write_exp_elt_opcode (UNOP_CAST);
- write_exp_elt_type ($1);
- write_exp_elt_opcode (UNOP_CAST); }
+ { write_exp_elt_opcode (pstate, UNOP_CAST);
+ write_exp_elt_type (pstate, $1);
+ write_exp_elt_opcode (pstate, UNOP_CAST); }
;
exp : '(' exp1 ')'
@@ -360,100 +366,100 @@ exp : '(' exp1 ')'
/* Binary operators in order of decreasing precedence. */
exp : exp '@' exp
- { write_exp_elt_opcode (BINOP_REPEAT); }
+ { write_exp_elt_opcode (pstate, BINOP_REPEAT); }
;
exp : exp '*' exp
- { write_exp_elt_opcode (BINOP_MUL); }
+ { write_exp_elt_opcode (pstate, BINOP_MUL); }
;
exp : exp '/' exp
- { write_exp_elt_opcode (BINOP_DIV); }
+ { write_exp_elt_opcode (pstate, BINOP_DIV); }
;
exp : exp '%' exp
- { write_exp_elt_opcode (BINOP_REM); }
+ { write_exp_elt_opcode (pstate, BINOP_REM); }
;
exp : exp '+' exp
- { write_exp_elt_opcode (BINOP_ADD); }
+ { write_exp_elt_opcode (pstate, BINOP_ADD); }
;
exp : exp '-' exp
- { write_exp_elt_opcode (BINOP_SUB); }
+ { write_exp_elt_opcode (pstate, BINOP_SUB); }
;
exp : exp LSH exp
- { write_exp_elt_opcode (BINOP_LSH); }
+ { write_exp_elt_opcode (pstate, BINOP_LSH); }
;
exp : exp RSH exp
- { write_exp_elt_opcode (BINOP_RSH); }
+ { write_exp_elt_opcode (pstate, BINOP_RSH); }
;
exp : exp EQUAL exp
- { write_exp_elt_opcode (BINOP_EQUAL); }
+ { write_exp_elt_opcode (pstate, BINOP_EQUAL); }
;
exp : exp NOTEQUAL exp
- { write_exp_elt_opcode (BINOP_NOTEQUAL); }
+ { write_exp_elt_opcode (pstate, BINOP_NOTEQUAL); }
;
exp : exp LEQ exp
- { write_exp_elt_opcode (BINOP_LEQ); }
+ { write_exp_elt_opcode (pstate, BINOP_LEQ); }
;
exp : exp GEQ exp
- { write_exp_elt_opcode (BINOP_GEQ); }
+ { write_exp_elt_opcode (pstate, BINOP_GEQ); }
;
exp : exp '<' exp
- { write_exp_elt_opcode (BINOP_LESS); }
+ { write_exp_elt_opcode (pstate, BINOP_LESS); }
;
exp : exp '>' exp
- { write_exp_elt_opcode (BINOP_GTR); }
+ { write_exp_elt_opcode (pstate, BINOP_GTR); }
;
exp : exp '&' exp
- { write_exp_elt_opcode (BINOP_BITWISE_AND); }
+ { write_exp_elt_opcode (pstate, BINOP_BITWISE_AND); }
;
exp : exp '^' exp
- { write_exp_elt_opcode (BINOP_BITWISE_XOR); }
+ { write_exp_elt_opcode (pstate, BINOP_BITWISE_XOR); }
;
exp : exp '|' exp
- { write_exp_elt_opcode (BINOP_BITWISE_IOR); }
+ { write_exp_elt_opcode (pstate, BINOP_BITWISE_IOR); }
;
exp : exp ANDAND exp
- { write_exp_elt_opcode (BINOP_LOGICAL_AND); }
+ { write_exp_elt_opcode (pstate, BINOP_LOGICAL_AND); }
;
exp : exp OROR exp
- { write_exp_elt_opcode (BINOP_LOGICAL_OR); }
+ { write_exp_elt_opcode (pstate, BINOP_LOGICAL_OR); }
;
exp : exp '?' exp ':' exp %prec '?'
- { write_exp_elt_opcode (TERNOP_COND); }
+ { write_exp_elt_opcode (pstate, TERNOP_COND); }
;
exp : exp '=' exp
- { write_exp_elt_opcode (BINOP_ASSIGN); }
+ { write_exp_elt_opcode (pstate, BINOP_ASSIGN); }
;
exp : exp ASSIGN_MODIFY exp
- { write_exp_elt_opcode (BINOP_ASSIGN_MODIFY);
- write_exp_elt_opcode ($2);
- write_exp_elt_opcode (BINOP_ASSIGN_MODIFY); }
+ { write_exp_elt_opcode (pstate, BINOP_ASSIGN_MODIFY);
+ write_exp_elt_opcode (pstate, $2);
+ write_exp_elt_opcode (pstate, BINOP_ASSIGN_MODIFY); }
;
exp : INT
- { write_exp_elt_opcode (OP_LONG);
- write_exp_elt_type ($1.type);
- write_exp_elt_longcst ((LONGEST)($1.val));
- write_exp_elt_opcode (OP_LONG); }
+ { write_exp_elt_opcode (pstate, OP_LONG);
+ write_exp_elt_type (pstate, $1.type);
+ write_exp_elt_longcst (pstate, (LONGEST)($1.val));
+ write_exp_elt_opcode (pstate, OP_LONG); }
;
exp : CHAR
@@ -461,28 +467,28 @@ exp : CHAR
struct stoken_vector vec;
vec.len = 1;
vec.tokens = &$1;
- write_exp_string_vector ($1.type, &vec);
+ write_exp_string_vector (pstate, $1.type, &vec);
}
;
exp : NAME_OR_INT
{ YYSTYPE val;
- parse_number ($1.stoken.ptr, $1.stoken.length,
- 0, &val);
- write_exp_elt_opcode (OP_LONG);
- write_exp_elt_type (val.typed_val_int.type);
- write_exp_elt_longcst ((LONGEST)
+ parse_number (pstate, $1.stoken.ptr,
+ $1.stoken.length, 0, &val);
+ write_exp_elt_opcode (pstate, OP_LONG);
+ write_exp_elt_type (pstate, val.typed_val_int.type);
+ write_exp_elt_longcst (pstate, (LONGEST)
val.typed_val_int.val);
- write_exp_elt_opcode (OP_LONG);
+ write_exp_elt_opcode (pstate, OP_LONG);
}
;
exp : FLOAT
- { write_exp_elt_opcode (OP_DOUBLE);
- write_exp_elt_type ($1.type);
- write_exp_elt_dblcst ($1.dval);
- write_exp_elt_opcode (OP_DOUBLE); }
+ { write_exp_elt_opcode (pstate, OP_DOUBLE);
+ write_exp_elt_type (pstate, $1.type);
+ write_exp_elt_dblcst (pstate, $1.dval);
+ write_exp_elt_opcode (pstate, OP_DOUBLE); }
;
exp : variable
@@ -490,26 +496,29 @@ exp : variable
exp : DOLLAR_VARIABLE
{
- write_dollar_variable ($1);
+ write_dollar_variable (pstate, $1);
}
;
exp : SIZEOF_KEYWORD '(' type ')' %prec UNARY
{
/* TODO(dje): Go objects in structs. */
- write_exp_elt_opcode (OP_LONG);
+ write_exp_elt_opcode (pstate, OP_LONG);
/* TODO(dje): What's the right type here? */
- write_exp_elt_type (parse_type->builtin_unsigned_int);
+ write_exp_elt_type
+ (pstate,
+ parse_type (pstate)->builtin_unsigned_int);
CHECK_TYPEDEF ($3);
- write_exp_elt_longcst ((LONGEST) TYPE_LENGTH ($3));
- write_exp_elt_opcode (OP_LONG);
+ write_exp_elt_longcst (pstate,
+ (LONGEST) TYPE_LENGTH ($3));
+ write_exp_elt_opcode (pstate, OP_LONG);
}
;
exp : SIZEOF_KEYWORD '(' exp ')' %prec UNARY
{
/* TODO(dje): Go objects in structs. */
- write_exp_elt_opcode (UNOP_SIZEOF);
+ write_exp_elt_opcode (pstate, UNOP_SIZEOF);
}
string_exp:
@@ -552,7 +561,8 @@ exp : string_exp %prec ABOVE_COMMA
{
int i;
- write_exp_string_vector (0 /*always utf8*/, &$1);
+ write_exp_string_vector (pstate, 0 /*always utf8*/,
+ &$1);
for (i = 0; i < $1.len; ++i)
free ($1.tokens[i].ptr);
free ($1.tokens);
@@ -560,15 +570,15 @@ exp : string_exp %prec ABOVE_COMMA
;
exp : TRUE_KEYWORD
- { write_exp_elt_opcode (OP_BOOL);
- write_exp_elt_longcst ((LONGEST) $1);
- write_exp_elt_opcode (OP_BOOL); }
+ { write_exp_elt_opcode (pstate, OP_BOOL);
+ write_exp_elt_longcst (pstate, (LONGEST) $1);
+ write_exp_elt_opcode (pstate, OP_BOOL); }
;
exp : FALSE_KEYWORD
- { write_exp_elt_opcode (OP_BOOL);
- write_exp_elt_longcst ((LONGEST) $1);
- write_exp_elt_opcode (OP_BOOL); }
+ { write_exp_elt_opcode (pstate, OP_BOOL);
+ write_exp_elt_longcst (pstate, (LONGEST) $1);
+ write_exp_elt_opcode (pstate, OP_BOOL); }
;
variable: name_not_typename ENTRY
@@ -581,9 +591,9 @@ variable: name_not_typename ENTRY
"parameters, not for \"%s\""),
copy_name ($1.stoken));
- write_exp_elt_opcode (OP_VAR_ENTRY_VALUE);
- write_exp_elt_sym (sym);
- write_exp_elt_opcode (OP_VAR_ENTRY_VALUE);
+ write_exp_elt_opcode (pstate, OP_VAR_ENTRY_VALUE);
+ write_exp_elt_sym (pstate, sym);
+ write_exp_elt_opcode (pstate, OP_VAR_ENTRY_VALUE);
}
;
@@ -600,13 +610,13 @@ variable: name_not_typename
innermost_block = block_found;
}
- write_exp_elt_opcode (OP_VAR_VALUE);
+ write_exp_elt_opcode (pstate, OP_VAR_VALUE);
/* We want to use the selected frame, not
another more inner frame which happens to
be in the same block. */
- write_exp_elt_block (NULL);
- write_exp_elt_sym (sym);
- write_exp_elt_opcode (OP_VAR_VALUE);
+ write_exp_elt_block (pstate, NULL);
+ write_exp_elt_sym (pstate, sym);
+ write_exp_elt_opcode (pstate, OP_VAR_VALUE);
}
else if ($1.is_a_field_of_this)
{
@@ -622,7 +632,7 @@ variable: name_not_typename
msymbol =
lookup_minimal_symbol (arg, NULL, NULL);
if (msymbol != NULL)
- write_exp_msymbol (msymbol);
+ write_exp_msymbol (pstate, msymbol);
else if (!have_full_symbols ()
&& !have_partial_symbols ())
error (_("No symbol table is loaded. "
@@ -652,7 +662,7 @@ type /* Implements (approximately): [*] type-specifier */
expression_context_block); }
*/
| BYTE_KEYWORD
- { $$ = builtin_go_type (parse_gdbarch)
+ { $$ = builtin_go_type (parse_gdbarch (pstate))
->builtin_uint8; }
;
@@ -704,7 +714,8 @@ 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 (struct parser_state *par_state, 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. */
@@ -729,7 +740,7 @@ parse_number (char *p, int len, int parsed_float, YYSTYPE *putithere)
if (parsed_float)
{
- if (! parse_go_float (parse_gdbarch, p, len,
+ if (! parse_go_float (parse_gdbarch (par_state), p, len,
&putithere->typed_val_float.dval,
&putithere->typed_val_float.type))
return ERROR;
@@ -845,9 +856,10 @@ parse_number (char *p, int len, int parsed_float, YYSTYPE *putithere)
un = (ULONGEST)n >> 2;
if (long_p == 0
- && (un >> (gdbarch_int_bit (parse_gdbarch) - 2)) == 0)
+ && (un >> (gdbarch_int_bit (parse_gdbarch (par_state)) - 2)) == 0)
{
- high_bit = ((ULONGEST)1) << (gdbarch_int_bit (parse_gdbarch) - 1);
+ high_bit
+ = ((ULONGEST)1) << (gdbarch_int_bit (parse_gdbarch (par_state)) - 1);
/* A large decimal (not hex or octal) constant (between INT_MAX
and UINT_MAX) is a long or unsigned long, according to ANSI,
@@ -855,28 +867,29 @@ parse_number (char *p, int len, int parsed_float, YYSTYPE *putithere)
int. This probably should be fixed. GCC gives a warning on
such constants. */
- unsigned_type = parse_type->builtin_unsigned_int;
- signed_type = parse_type->builtin_int;
+ unsigned_type = parse_type (par_state)->builtin_unsigned_int;
+ signed_type = parse_type (par_state)->builtin_int;
}
else if (long_p <= 1
- && (un >> (gdbarch_long_bit (parse_gdbarch) - 2)) == 0)
+ && (un >> (gdbarch_long_bit (parse_gdbarch (par_state)) - 2)) == 0)
{
- high_bit = ((ULONGEST)1) << (gdbarch_long_bit (parse_gdbarch) - 1);
- unsigned_type = parse_type->builtin_unsigned_long;
- signed_type = parse_type->builtin_long;
+ high_bit
+ = ((ULONGEST)1) << (gdbarch_long_bit (parse_gdbarch (par_state)) - 1);
+ unsigned_type = parse_type (par_state)->builtin_unsigned_long;
+ signed_type = parse_type (par_state)->builtin_long;
}
else
{
int shift;
if (sizeof (ULONGEST) * HOST_CHAR_BIT
- < gdbarch_long_long_bit (parse_gdbarch))
+ < gdbarch_long_long_bit (parse_gdbarch (par_state)))
/* A long long does not fit in a LONGEST. */
shift = (sizeof (ULONGEST) * HOST_CHAR_BIT - 1);
else
- shift = (gdbarch_long_long_bit (parse_gdbarch) - 1);
+ shift = (gdbarch_long_long_bit (parse_gdbarch (par_state)) - 1);
high_bit = (ULONGEST) 1 << shift;
- unsigned_type = parse_type->builtin_unsigned_long_long;
- signed_type = parse_type->builtin_long_long;
+ unsigned_type = parse_type (par_state)->builtin_unsigned_long_long;
+ signed_type = parse_type (par_state)->builtin_long_long;
}
putithere->typed_val_int.val = n;
@@ -1044,7 +1057,7 @@ static int last_was_structop;
/* Read one token, getting characters through lexptr. */
static int
-lex_one_token (void)
+lex_one_token (struct parser_state *par_state)
{
int c;
int namelen;
@@ -1175,7 +1188,8 @@ lex_one_token (void)
&& (*p < 'A' || *p > 'Z')))
break;
}
- toktype = parse_number (tokstart, p - tokstart, got_dot|got_e, &yylval);
+ toktype = parse_number (par_state, tokstart, p - tokstart,
+ got_dot|got_e, &yylval);
if (toktype == ERROR)
{
char *err_copy = (char *) alloca (p - tokstart + 1);
@@ -1430,7 +1444,7 @@ classify_packaged_name (struct block *block)
The result is one of NAME, NAME_OR_INT, or TYPENAME. */
static int
-classify_name (struct block *block)
+classify_name (struct parser_state *par_state, struct block *block)
{
struct type *type;
struct symbol *sym;
@@ -1440,8 +1454,9 @@ classify_name (struct block *block)
copy = copy_name (yylval.sval);
/* Try primitive types first so they win over bad/weird debug info. */
- type = language_lookup_primitive_type_by_name (parse_language,
- parse_gdbarch, copy);
+ type = language_lookup_primitive_type_by_name (parse_language (par_state),
+ parse_gdbarch (par_state),
+ copy);
if (type != NULL)
{
/* NOTE: We take advantage of the fact that yylval coming in was a
@@ -1497,7 +1512,8 @@ classify_name (struct block *block)
|| (copy[0] >= 'A' && copy[0] < 'A' + input_radix - 10))
{
YYSTYPE newlval; /* Its value is ignored. */
- int hextype = parse_number (copy, yylval.sval.length, 0, &newlval);
+ int hextype = parse_number (par_state, copy, yylval.sval.length,
+ 0, &newlval);
if (hextype == INT)
{
yylval.ssym.sym = NULL;
@@ -1530,7 +1546,7 @@ yylex (void)
}
popping = 0;
- current.token = lex_one_token ();
+ current.token = lex_one_token (pstate);
/* TODO: Need a way to force specifying name1 as a package.
.name1.name2 ? */
@@ -1541,14 +1557,14 @@ yylex (void)
/* See if we have "name1 . name2". */
current.value = yylval;
- next.token = lex_one_token ();
+ next.token = lex_one_token (pstate);
next.value = yylval;
if (next.token == '.')
{
token_and_value name2;
- name2.token = lex_one_token ();
+ name2.token = lex_one_token (pstate);
name2.value = yylval;
if (name2.token == NAME)
@@ -1587,14 +1603,20 @@ yylex (void)
popping = 1;
yylval = current.value;
- return classify_name (expression_context_block);
+ return classify_name (pstate, expression_context_block);
}
int
-go_parse (void)
+go_parse (struct parser_state *par_state)
{
int result;
- struct cleanup *back_to = make_cleanup (null_cleanup, NULL);
+ struct cleanup *back_to;
+
+ /* Setting up the parser state. */
+ gdb_assert (par_state != NULL);
+ pstate = par_state;
+
+ back_to = make_cleanup (null_cleanup, NULL);
make_cleanup_restore_integer (&yydebug);
yydebug = parser_debug;
diff --git a/gdb/go-lang.h b/gdb/go-lang.h
index 67b5d93..2be37b2 100644
--- a/gdb/go-lang.h
+++ b/gdb/go-lang.h
@@ -24,6 +24,8 @@
#include "symtab.h"
#include "value.h"
+struct parser_state;
+
struct builtin_go_type
{
struct type *builtin_void;
@@ -54,7 +56,7 @@ enum go_type
/* Defined in go-exp.y. */
-extern int go_parse (void);
+extern int go_parse (struct parser_state *);
extern void go_error (char *);
--
1.7.7.6