/* YACC parser for Java expressions, for GDB.
- Copyright (C) 1997-2000, 2006-2012 Free Software Foundation, Inc.
+ Copyright (C) 1997-2015 Free Software Foundation, Inc.
This file is part of GDB.
%{
#include "defs.h"
-#include "gdb_string.h"
#include <ctype.h>
#include "expression.h"
#include "value.h"
#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)
+#define parse_type(ps) builtin_type (parse_gdbarch (ps))
+#define parse_java_type(ps) builtin_java_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
generators need to be fixed instead of adding those names to this list. */
#define yymaxdepth java_maxdepth
-#define yyparse java_parse
+#define yyparse java_parse_internal
#define yylex java_lex
#define yyerror java_error
#define yylval java_lval
#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);
void yyerror (char *);
static struct type *java_type_from_name (struct stoken);
-static void push_expression_name (struct stoken);
-static void push_fieldnames (struct stoken);
+static void push_expression_name (struct parser_state *, struct stoken);
+static void push_fieldnames (struct parser_state *, struct stoken);
static struct expression *copy_exp (struct expression *, int);
-static void insert_exp (int, struct expression *);
+static void insert_exp (struct parser_state *, int, struct expression *);
%}
%{
/* YYSTYPE gets defined by %union */
-static int parse_number (char *, int, int, YYSTYPE *);
+static int parse_number (struct parser_state *, const char *, int,
+ int, YYSTYPE *);
%}
%type <lval> rcurly Dims Dims_opt
type_exp: PrimitiveOrArrayType
{
- 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);
}
;
StringLiteral:
STRING_LITERAL
{
- write_exp_elt_opcode (OP_STRING);
- write_exp_string ($1);
- write_exp_elt_opcode (OP_STRING);
+ write_exp_elt_opcode (pstate, OP_STRING);
+ write_exp_string (pstate, $1);
+ write_exp_elt_opcode (pstate, OP_STRING);
}
;
Literal:
INTEGER_LITERAL
- { 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); }
| NAME_OR_INT
{ YYSTYPE val;
- parse_number ($1.ptr, $1.length, 0, &val);
- write_exp_elt_opcode (OP_LONG);
- write_exp_elt_type (val.typed_val_int.type);
- write_exp_elt_longcst ((LONGEST)val.typed_val_int.val);
- write_exp_elt_opcode (OP_LONG);
+ parse_number (pstate, $1.ptr, $1.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 (pstate, OP_LONG);
}
| FLOATING_POINT_LITERAL
- { 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); }
| BOOLEAN_LITERAL
- { write_exp_elt_opcode (OP_LONG);
- write_exp_elt_type (parse_java_type->builtin_boolean);
- write_exp_elt_longcst ((LONGEST)$1);
- write_exp_elt_opcode (OP_LONG); }
+ { write_exp_elt_opcode (pstate, OP_LONG);
+ write_exp_elt_type (pstate,
+ parse_java_type (pstate)->builtin_boolean);
+ write_exp_elt_longcst (pstate, (LONGEST)$1);
+ write_exp_elt_opcode (pstate, OP_LONG); }
| StringLiteral
;
PrimitiveType:
NumericType
| BOOLEAN
- { $$ = parse_java_type->builtin_boolean; }
+ { $$ = parse_java_type (pstate)->builtin_boolean; }
;
NumericType:
IntegralType:
BYTE
- { $$ = parse_java_type->builtin_byte; }
+ { $$ = parse_java_type (pstate)->builtin_byte; }
| SHORT
- { $$ = parse_java_type->builtin_short; }
+ { $$ = parse_java_type (pstate)->builtin_short; }
| INT
- { $$ = parse_java_type->builtin_int; }
+ { $$ = parse_java_type (pstate)->builtin_int; }
| LONG
- { $$ = parse_java_type->builtin_long; }
+ { $$ = parse_java_type (pstate)->builtin_long; }
| CHAR
- { $$ = parse_java_type->builtin_char; }
+ { $$ = parse_java_type (pstate)->builtin_char; }
;
FloatingPointType:
FLOAT
- { $$ = parse_java_type->builtin_float; }
+ { $$ = parse_java_type (pstate)->builtin_float; }
| DOUBLE
- { $$ = parse_java_type->builtin_double; }
+ { $$ = parse_java_type (pstate)->builtin_double; }
;
/* UNUSED:
$$.ptr = $1.ptr; /* Optimization. */
else
{
- $$.ptr = (char *) malloc ($$.length + 1);
- make_cleanup (free, $$.ptr);
- sprintf ($$.ptr, "%.*s.%.*s",
+ char *buf;
+
+ buf = (char *) malloc ($$.length + 1);
+ make_cleanup (free, buf);
+ sprintf (buf, "%.*s.%.*s",
$1.length, $1.ptr, $3.length, $3.ptr);
+ $$.ptr = buf;
} }
;
/* Expressions, including the comma operator. */
exp1 : Expression
| exp1 ',' Expression
- { write_exp_elt_opcode (BINOP_COMMA); }
+ { write_exp_elt_opcode (pstate, BINOP_COMMA); }
;
Primary:
| MethodInvocation
| ArrayAccess
| lcurly ArgumentList rcurly
- { write_exp_elt_opcode (OP_ARRAY);
- write_exp_elt_longcst ((LONGEST) 0);
- write_exp_elt_longcst ((LONGEST) $3);
- write_exp_elt_opcode (OP_ARRAY); }
+ { write_exp_elt_opcode (pstate, OP_ARRAY);
+ write_exp_elt_longcst (pstate, (LONGEST) 0);
+ write_exp_elt_longcst (pstate, (LONGEST) $3);
+ write_exp_elt_opcode (pstate, OP_ARRAY); }
;
lcurly:
FieldAccess:
Primary '.' SimpleName
- { push_fieldnames ($3); }
+ { push_fieldnames (pstate, $3); }
| VARIABLE '.' SimpleName
- { push_fieldnames ($3); }
+ { push_fieldnames (pstate, $3); }
/*| SUPER '.' SimpleName { FIXME } */
;
FuncStart:
Name '('
- { push_expression_name ($1); }
+ { push_expression_name (pstate, $1); }
;
MethodInvocation:
FuncStart
{ start_arglist(); }
ArgumentList_opt ')'
- { 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); }
| Primary '.' SimpleName '(' ArgumentList_opt ')'
{ error (_("Form of method invocation not implemented")); }
| SUPER '.' SimpleName '(' ArgumentList_opt ')'
for our parsing kludges. */
struct expression *name_expr;
- push_expression_name ($1);
- name_expr = copy_exp (expout, expout_ptr);
- expout_ptr -= name_expr->nelts;
- insert_exp (expout_ptr-length_of_subexp (expout, expout_ptr),
+ push_expression_name (pstate, $1);
+ name_expr = copy_exp (pstate->expout, pstate->expout_ptr);
+ pstate->expout_ptr -= name_expr->nelts;
+ insert_exp (pstate,
+ pstate->expout_ptr
+ - length_of_subexp (pstate->expout,
+ pstate->expout_ptr),
name_expr);
free (name_expr);
- write_exp_elt_opcode (BINOP_SUBSCRIPT);
+ write_exp_elt_opcode (pstate, BINOP_SUBSCRIPT);
}
| VARIABLE '[' Expression ']'
- { write_exp_elt_opcode (BINOP_SUBSCRIPT); }
+ { write_exp_elt_opcode (pstate, BINOP_SUBSCRIPT); }
| PrimaryNoNewArray '[' Expression ']'
- { write_exp_elt_opcode (BINOP_SUBSCRIPT); }
+ { write_exp_elt_opcode (pstate, BINOP_SUBSCRIPT); }
;
PostfixExpression:
Primary
| Name
- { push_expression_name ($1); }
+ { push_expression_name (pstate, $1); }
| VARIABLE
/* Already written by write_dollar_variable. */
| PostIncrementExpression
PostIncrementExpression:
PostfixExpression INCREMENT
- { write_exp_elt_opcode (UNOP_POSTINCREMENT); }
+ { write_exp_elt_opcode (pstate, UNOP_POSTINCREMENT); }
;
PostDecrementExpression:
PostfixExpression DECREMENT
- { write_exp_elt_opcode (UNOP_POSTDECREMENT); }
+ { write_exp_elt_opcode (pstate, UNOP_POSTDECREMENT); }
;
UnaryExpression:
| PreDecrementExpression
| '+' UnaryExpression
| '-' UnaryExpression
- { write_exp_elt_opcode (UNOP_NEG); }
+ { write_exp_elt_opcode (pstate, UNOP_NEG); }
| '*' UnaryExpression
- { write_exp_elt_opcode (UNOP_IND); } /*FIXME not in Java */
+ { write_exp_elt_opcode (pstate,
+ UNOP_IND); } /*FIXME not in Java */
| UnaryExpressionNotPlusMinus
;
PreIncrementExpression:
INCREMENT UnaryExpression
- { write_exp_elt_opcode (UNOP_PREINCREMENT); }
+ { write_exp_elt_opcode (pstate, UNOP_PREINCREMENT); }
;
PreDecrementExpression:
DECREMENT UnaryExpression
- { write_exp_elt_opcode (UNOP_PREDECREMENT); }
+ { write_exp_elt_opcode (pstate, UNOP_PREDECREMENT); }
;
UnaryExpressionNotPlusMinus:
PostfixExpression
| '~' UnaryExpression
- { write_exp_elt_opcode (UNOP_COMPLEMENT); }
+ { write_exp_elt_opcode (pstate, UNOP_COMPLEMENT); }
| '!' UnaryExpression
- { write_exp_elt_opcode (UNOP_LOGICAL_NOT); }
+ { write_exp_elt_opcode (pstate, UNOP_LOGICAL_NOT); }
| CastExpression
;
CastExpression:
'(' PrimitiveType Dims_opt ')' UnaryExpression
- { write_exp_elt_opcode (UNOP_CAST);
- write_exp_elt_type (java_array_type ($2, $3));
- write_exp_elt_opcode (UNOP_CAST); }
+ { write_exp_elt_opcode (pstate, UNOP_CAST);
+ write_exp_elt_type (pstate, java_array_type ($2, $3));
+ write_exp_elt_opcode (pstate, UNOP_CAST); }
| '(' Expression ')' UnaryExpressionNotPlusMinus
{
- int last_exp_size = length_of_subexp(expout, expout_ptr);
+ int last_exp_size = length_of_subexp (pstate->expout,
+ pstate->expout_ptr);
struct type *type;
int i;
- int base = expout_ptr - last_exp_size - 3;
- if (base < 0 || expout->elts[base+2].opcode != OP_TYPE)
+ int base = pstate->expout_ptr - last_exp_size - 3;
+
+ if (base < 0
+ || pstate->expout->elts[base+2].opcode != OP_TYPE)
error (_("Invalid cast expression"));
- type = expout->elts[base+1].type;
+ type = pstate->expout->elts[base+1].type;
/* Remove the 'Expression' and slide the
UnaryExpressionNotPlusMinus down to replace it. */
for (i = 0; i < last_exp_size; i++)
- expout->elts[base + i] = expout->elts[base + i + 3];
- expout_ptr -= 3;
+ pstate->expout->elts[base + i]
+ = pstate->expout->elts[base + i + 3];
+ pstate->expout_ptr -= 3;
if (TYPE_CODE (type) == TYPE_CODE_STRUCT)
type = lookup_pointer_type (type);
- write_exp_elt_opcode (UNOP_CAST);
- write_exp_elt_type (type);
- write_exp_elt_opcode (UNOP_CAST);
+ write_exp_elt_opcode (pstate, UNOP_CAST);
+ write_exp_elt_type (pstate, type);
+ write_exp_elt_opcode (pstate, UNOP_CAST);
}
| '(' Name Dims ')' UnaryExpressionNotPlusMinus
- { write_exp_elt_opcode (UNOP_CAST);
- write_exp_elt_type (java_array_type (java_type_from_name ($2), $3));
- write_exp_elt_opcode (UNOP_CAST); }
+ { write_exp_elt_opcode (pstate, UNOP_CAST);
+ write_exp_elt_type (pstate,
+ java_array_type (java_type_from_name
+ ($2), $3));
+ write_exp_elt_opcode (pstate, UNOP_CAST); }
;
MultiplicativeExpression:
UnaryExpression
| MultiplicativeExpression '*' UnaryExpression
- { write_exp_elt_opcode (BINOP_MUL); }
+ { write_exp_elt_opcode (pstate, BINOP_MUL); }
| MultiplicativeExpression '/' UnaryExpression
- { write_exp_elt_opcode (BINOP_DIV); }
+ { write_exp_elt_opcode (pstate, BINOP_DIV); }
| MultiplicativeExpression '%' UnaryExpression
- { write_exp_elt_opcode (BINOP_REM); }
+ { write_exp_elt_opcode (pstate, BINOP_REM); }
;
AdditiveExpression:
MultiplicativeExpression
| AdditiveExpression '+' MultiplicativeExpression
- { write_exp_elt_opcode (BINOP_ADD); }
+ { write_exp_elt_opcode (pstate, BINOP_ADD); }
| AdditiveExpression '-' MultiplicativeExpression
- { write_exp_elt_opcode (BINOP_SUB); }
+ { write_exp_elt_opcode (pstate, BINOP_SUB); }
;
ShiftExpression:
AdditiveExpression
| ShiftExpression LSH AdditiveExpression
- { write_exp_elt_opcode (BINOP_LSH); }
+ { write_exp_elt_opcode (pstate, BINOP_LSH); }
| ShiftExpression RSH AdditiveExpression
- { write_exp_elt_opcode (BINOP_RSH); }
+ { write_exp_elt_opcode (pstate, BINOP_RSH); }
/* | ShiftExpression >>> AdditiveExpression { FIXME } */
;
RelationalExpression:
ShiftExpression
| RelationalExpression '<' ShiftExpression
- { write_exp_elt_opcode (BINOP_LESS); }
+ { write_exp_elt_opcode (pstate, BINOP_LESS); }
| RelationalExpression '>' ShiftExpression
- { write_exp_elt_opcode (BINOP_GTR); }
+ { write_exp_elt_opcode (pstate, BINOP_GTR); }
| RelationalExpression LEQ ShiftExpression
- { write_exp_elt_opcode (BINOP_LEQ); }
+ { write_exp_elt_opcode (pstate, BINOP_LEQ); }
| RelationalExpression GEQ ShiftExpression
- { write_exp_elt_opcode (BINOP_GEQ); }
+ { write_exp_elt_opcode (pstate, BINOP_GEQ); }
/* | RelationalExpresion INSTANCEOF ReferenceType { FIXME } */
;
EqualityExpression:
RelationalExpression
| EqualityExpression EQUAL RelationalExpression
- { write_exp_elt_opcode (BINOP_EQUAL); }
+ { write_exp_elt_opcode (pstate, BINOP_EQUAL); }
| EqualityExpression NOTEQUAL RelationalExpression
- { write_exp_elt_opcode (BINOP_NOTEQUAL); }
+ { write_exp_elt_opcode (pstate, BINOP_NOTEQUAL); }
;
AndExpression:
EqualityExpression
| AndExpression '&' EqualityExpression
- { write_exp_elt_opcode (BINOP_BITWISE_AND); }
+ { write_exp_elt_opcode (pstate, BINOP_BITWISE_AND); }
;
ExclusiveOrExpression:
AndExpression
| ExclusiveOrExpression '^' AndExpression
- { write_exp_elt_opcode (BINOP_BITWISE_XOR); }
+ { write_exp_elt_opcode (pstate, BINOP_BITWISE_XOR); }
;
InclusiveOrExpression:
ExclusiveOrExpression
| InclusiveOrExpression '|' ExclusiveOrExpression
- { write_exp_elt_opcode (BINOP_BITWISE_IOR); }
+ { write_exp_elt_opcode (pstate, BINOP_BITWISE_IOR); }
;
ConditionalAndExpression:
InclusiveOrExpression
| ConditionalAndExpression ANDAND InclusiveOrExpression
- { write_exp_elt_opcode (BINOP_LOGICAL_AND); }
+ { write_exp_elt_opcode (pstate, BINOP_LOGICAL_AND); }
;
ConditionalOrExpression:
ConditionalAndExpression
| ConditionalOrExpression OROR ConditionalAndExpression
- { write_exp_elt_opcode (BINOP_LOGICAL_OR); }
+ { write_exp_elt_opcode (pstate, BINOP_LOGICAL_OR); }
;
ConditionalExpression:
ConditionalOrExpression
| ConditionalOrExpression '?' Expression ':' ConditionalExpression
- { write_exp_elt_opcode (TERNOP_COND); }
+ { write_exp_elt_opcode (pstate, TERNOP_COND); }
;
AssignmentExpression:
Assignment:
LeftHandSide '=' ConditionalExpression
- { write_exp_elt_opcode (BINOP_ASSIGN); }
+ { write_exp_elt_opcode (pstate, BINOP_ASSIGN); }
| LeftHandSide ASSIGN_MODIFY ConditionalExpression
- { 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); }
;
LeftHandSide:
ForcedName
- { push_expression_name ($1); }
+ { push_expression_name (pstate, $1); }
| VARIABLE
/* Already written by write_dollar_variable. */
| FieldAccess
/*** Needs some error checking for the float case ***/
static int
-parse_number (char *p, int len, int parsed_float, YYSTYPE *putithere)
+parse_number (struct parser_state *par_state,
+ const char *p, int len, int parsed_float, YYSTYPE *putithere)
{
ULONGEST n = 0;
ULONGEST limit, limit_div_base;
suffix_len = p + len - suffix;
if (suffix_len == 0)
- putithere->typed_val_float.type = parse_type->builtin_double;
+ putithere->typed_val_float.type
+ = parse_type (par_state)->builtin_double;
else if (suffix_len == 1)
{
/* See if it has `f' or `d' suffix (float or double). */
if (tolower (*suffix) == 'f')
putithere->typed_val_float.type =
- parse_type->builtin_float;
+ parse_type (par_state)->builtin_float;
else if (tolower (*suffix) == 'd')
putithere->typed_val_float.type =
- parse_type->builtin_double;
+ parse_type (par_state)->builtin_double;
else
return ERROR;
}
limit = ((limit << 16) << 16) | limit;
if (c == 'l' || c == 'L')
{
- type = parse_java_type->builtin_long;
+ type = parse_java_type (par_state)->builtin_long;
len--;
}
else
{
- type = parse_java_type->builtin_int;
+ type = parse_java_type (par_state)->builtin_int;
}
limit_div_base = limit / (ULONGEST) base;
/* If the type is bigger than a 32-bit signed integer can be, implicitly
promote to long. Java does not do this, so mark it as
- parse_type->builtin_uint64 rather than parse_java_type->builtin_long.
+ parse_type (par_state)->builtin_uint64 rather than
+ parse_java_type (par_state)->builtin_long.
0x80000000 will become -0x80000000 instead of 0x80000000L, because we
don't know the sign at this point. */
- if (type == parse_java_type->builtin_int && n > (ULONGEST)0x80000000)
- type = parse_type->builtin_uint64;
+ if (type == parse_java_type (par_state)->builtin_int
+ && n > (ULONGEST)0x80000000)
+ type = parse_type (par_state)->builtin_uint64;
putithere->typed_val_int.val = n;
putithere->typed_val_int.type = type;
struct token
{
- char *operator;
+ char *oper;
int token;
enum exp_opcode opcode;
};
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;
tokstart = lexptr;
/* See if it is a special token of length 3. */
for (i = 0; i < sizeof tokentab3 / sizeof tokentab3[0]; i++)
- if (strncmp (tokstart, tokentab3[i].operator, 3) == 0)
+ if (strncmp (tokstart, tokentab3[i].oper, 3) == 0)
{
lexptr += 3;
yylval.opcode = tokentab3[i].opcode;
/* See if it is a special token of length 2. */
for (i = 0; i < sizeof tokentab2 / sizeof tokentab2[0]; i++)
- if (strncmp (tokstart, tokentab2[i].operator, 2) == 0)
+ if (strncmp (tokstart, tokentab2[i].oper, 2) == 0)
{
lexptr += 2;
yylval.opcode = tokentab2[i].opcode;
lexptr++;
c = *lexptr++;
if (c == '\\')
- c = parse_escape (parse_gdbarch, &lexptr);
+ c = parse_escape (parse_gdbarch (pstate), &lexptr);
else if (c == '\'')
error (_("Empty character constant"));
yylval.typed_val_int.val = c;
- yylval.typed_val_int.type = parse_java_type->builtin_char;
+ yylval.typed_val_int.type = parse_java_type (pstate)->builtin_char;
c = *lexptr++;
if (c != '\'')
{
/* 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'))
&& (*p < 'A' || *p > 'Z')))
break;
}
- toktype = parse_number (tokstart, p - tokstart, got_dot|got_e, &yylval);
+ toktype = parse_number (pstate, tokstart, p - tokstart,
+ got_dot|got_e, &yylval);
if (toktype == ERROR)
{
char *err_copy = (char *) alloca (p - tokstart + 1);
break;
case '\\':
tokptr++;
- c = parse_escape (parse_gdbarch, &tokptr);
+ c = parse_escape (parse_gdbarch (pstate), &tokptr);
if (c == -1)
{
continue;
if (*tokstart == '$')
{
- write_dollar_variable (yylval.sval);
+ write_dollar_variable (pstate, yylval.sval);
return VARIABLE;
}
(tokstart[0] >= 'A' && tokstart[0] < 'A' + input_radix - 10)))
{
YYSTYPE newlval; /* Its value is ignored. */
- int hextype = parse_number (tokstart, namelen, 0, &newlval);
+ int hextype = parse_number (pstate, tokstart, namelen, 0, &newlval);
if (hextype == INTEGER_LITERAL)
return NAME_OR_INT;
}
return IDENTIFIER;
}
+int
+java_parse (struct parser_state *par_state)
+{
+ int result;
+ struct cleanup *c = make_cleanup_clear_parser_state (&pstate);
+
+ /* Setting up the parser state. */
+ gdb_assert (par_state != NULL);
+ pstate = par_state;
+
+ result = yyparse ();
+ do_cleanups (c);
+
+ return result;
+}
+
void
yyerror (char *msg)
{
Otherwise, return 0. */
static int
-push_variable (struct stoken name)
+push_variable (struct parser_state *par_state, struct stoken name)
{
char *tmp = copy_name (name);
- int is_a_field_of_this = 0;
- struct symbol *sym;
+ struct field_of_this_result is_a_field_of_this;
+ struct block_symbol sym;
+
sym = lookup_symbol (tmp, expression_context_block, VAR_DOMAIN,
&is_a_field_of_this);
- if (sym && SYMBOL_CLASS (sym) != LOC_TYPEDEF)
+ if (sym.symbol && SYMBOL_CLASS (sym.symbol) != LOC_TYPEDEF)
{
- if (symbol_read_needs_frame (sym))
+ if (symbol_read_needs_frame (sym.symbol))
{
if (innermost_block == 0 ||
- contained_in (block_found, innermost_block))
- innermost_block = block_found;
+ contained_in (sym.block, innermost_block))
+ innermost_block = sym.block;
}
- write_exp_elt_opcode (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_opcode (par_state, OP_VAR_VALUE);
+ write_exp_elt_block (par_state, sym.block);
+ write_exp_elt_sym (par_state, sym.symbol);
+ write_exp_elt_opcode (par_state, OP_VAR_VALUE);
return 1;
}
- if (is_a_field_of_this)
+ if (is_a_field_of_this.type != NULL)
{
/* it hangs off of `this'. Must not inadvertently convert from a
method call to data ref. */
if (innermost_block == 0 ||
- contained_in (block_found, innermost_block))
- innermost_block = block_found;
- write_exp_elt_opcode (OP_THIS);
- write_exp_elt_opcode (OP_THIS);
- write_exp_elt_opcode (STRUCTOP_PTR);
- write_exp_string (name);
- write_exp_elt_opcode (STRUCTOP_PTR);
+ contained_in (sym.block, innermost_block))
+ innermost_block = sym.block;
+ write_exp_elt_opcode (par_state, OP_THIS);
+ write_exp_elt_opcode (par_state, OP_THIS);
+ write_exp_elt_opcode (par_state, STRUCTOP_PTR);
+ write_exp_string (par_state, name);
+ write_exp_elt_opcode (par_state, STRUCTOP_PTR);
return 1;
}
return 0;
qualified name (has '.'), generate a field access for each part. */
static void
-push_fieldnames (struct stoken name)
+push_fieldnames (struct parser_state *par_state, struct stoken name)
{
int i;
struct stoken token;
{
/* token.ptr is start of current field name. */
token.length = &name.ptr[i] - token.ptr;
- write_exp_elt_opcode (STRUCTOP_PTR);
- write_exp_string (token);
- write_exp_elt_opcode (STRUCTOP_PTR);
+ write_exp_elt_opcode (par_state, STRUCTOP_PTR);
+ write_exp_string (par_state, token);
+ write_exp_elt_opcode (par_state, STRUCTOP_PTR);
token.ptr += token.length + 1;
}
if (i >= name.length)
Handle a qualified name, where DOT_INDEX is the index of the first '.' */
static void
-push_qualified_expression_name (struct stoken name, int dot_index)
+push_qualified_expression_name (struct parser_state *par_state,
+ struct stoken name, int dot_index)
{
struct stoken token;
char *tmp;
token.ptr = name.ptr;
token.length = dot_index;
- if (push_variable (token))
+ if (push_variable (par_state, token))
{
token.ptr = name.ptr + dot_index + 1;
token.length = name.length - dot_index - 1;
- push_fieldnames (token);
+ push_fieldnames (par_state, token);
return;
}
{
if (dot_index == name.length)
{
- write_exp_elt_opcode(OP_TYPE);
- write_exp_elt_type(typ);
- write_exp_elt_opcode(OP_TYPE);
+ write_exp_elt_opcode (par_state, OP_TYPE);
+ write_exp_elt_type (par_state, typ);
+ write_exp_elt_opcode (par_state, OP_TYPE);
return;
}
dot_index++; /* Skip '.' */
dot_index++;
token.ptr = name.ptr;
token.length = dot_index;
- write_exp_elt_opcode (OP_SCOPE);
- write_exp_elt_type (typ);
- write_exp_string (token);
- write_exp_elt_opcode (OP_SCOPE);
+ write_exp_elt_opcode (par_state, OP_SCOPE);
+ write_exp_elt_type (par_state, typ);
+ write_exp_string (par_state, token);
+ write_exp_elt_opcode (par_state, OP_SCOPE);
if (dot_index < name.length)
{
dot_index++;
name.ptr += dot_index;
name.length -= dot_index;
- push_fieldnames (name);
+ push_fieldnames (par_state, name);
}
return;
}
Handle VAR, TYPE, TYPE.FIELD1....FIELDN and VAR.FIELD1....FIELDN. */
static void
-push_expression_name (struct stoken name)
+push_expression_name (struct parser_state *par_state, struct stoken name)
{
char *tmp;
struct type *typ;
if (name.ptr[i] == '.')
{
/* It's a Qualified Expression Name. */
- push_qualified_expression_name (name, i);
+ push_qualified_expression_name (par_state, name, i);
return;
}
}
/* It's a Simple Expression Name. */
- if (push_variable (name))
+ if (push_variable (par_state, name))
return;
tmp = copy_name (name);
typ = java_lookup_class (tmp);
if (typ != NULL)
{
- write_exp_elt_opcode(OP_TYPE);
- write_exp_elt_type(typ);
- write_exp_elt_opcode(OP_TYPE);
+ write_exp_elt_opcode (par_state, OP_TYPE);
+ write_exp_elt_type (par_state, typ);
+ write_exp_elt_opcode (par_state, OP_TYPE);
}
else
{
- struct minimal_symbol *msymbol;
+ struct bound_minimal_symbol msymbol;
- msymbol = lookup_minimal_symbol (tmp, NULL, NULL);
- if (msymbol != NULL)
- write_exp_msymbol (msymbol);
+ msymbol = lookup_bound_minimal_symbol (tmp);
+ if (msymbol.minsym != NULL)
+ write_exp_msymbol (par_state, msymbol);
else if (!have_full_symbols () && !have_partial_symbols ())
error (_("No symbol table is loaded. Use the \"file\" command"));
else
- error (_("No symbol \"%s\" in current context"), tmp);
+ error (_("No symbol \"%s\" in current context."), tmp);
}
}
copy_exp (struct expression *expr, int endpos)
{
int len = length_of_subexp (expr, endpos);
- struct expression *new
- = (struct expression *) malloc (sizeof (*new) + EXP_ELEM_TO_BYTES (len));
- new->nelts = len;
- memcpy (new->elts, expr->elts + endpos - len, EXP_ELEM_TO_BYTES (len));
- new->language_defn = 0;
+ struct expression *newobj
+ = (struct expression *) malloc (sizeof (*newobj) + EXP_ELEM_TO_BYTES (len));
+
+ newobj->nelts = len;
+ memcpy (newobj->elts, expr->elts + endpos - len, EXP_ELEM_TO_BYTES (len));
+ newobj->language_defn = 0;
- return new;
+ return newobj;
}
/* Insert the expression NEW into the current expression (expout) at POS. */
static void
-insert_exp (int pos, struct expression *new)
+insert_exp (struct parser_state *par_state, int pos, struct expression *newobj)
{
- int newlen = new->nelts;
+ int newlen = newobj->nelts;
+ int i;
/* Grow expout if necessary. In this function's only use at present,
this should never be necessary. */
- if (expout_ptr + newlen > expout_size)
- {
- expout_size = max (expout_size * 2, expout_ptr + newlen + 10);
- expout = (struct expression *)
- realloc ((char *) expout, (sizeof (struct expression)
- + EXP_ELEM_TO_BYTES (expout_size)));
- }
-
- {
- int i;
+ increase_expout_size (par_state, newlen);
- for (i = expout_ptr - 1; i >= pos; i--)
- expout->elts[i + newlen] = expout->elts[i];
- }
+ for (i = par_state->expout_ptr - 1; i >= pos; i--)
+ par_state->expout->elts[i + newlen] = par_state->expout->elts[i];
- memcpy (expout->elts + pos, new->elts, EXP_ELEM_TO_BYTES (newlen));
- expout_ptr += newlen;
+ memcpy (par_state->expout->elts + pos, newobj->elts,
+ EXP_ELEM_TO_BYTES (newlen));
+ par_state->expout_ptr += newlen;
}