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Re: [PATCH 07/10] Modula-2 language


> > Patch for the Modula-2 language.  Similar to the C language one.
> 
> Ping.
> 
> I don't know exactly who is the maintainer of Modula-2...

It's Gaius Mulley (in Cc). I thkn that the changes are sufficiently
mechanical that we can go with GM approval if the language maintainer
doesn't comment.

> 
> > ---
> >  gdb/m2-exp.y  |  261 +++++++++++++++++++++++++++++++--------------------------
> >  gdb/m2-lang.h |    6 +-
> >  2 files changed, 147 insertions(+), 120 deletions(-)
> >
> > diff --git a/gdb/m2-exp.y b/gdb/m2-exp.y
> > index 19f9c24..153d482 100644
> > --- a/gdb/m2-exp.y
> > +++ b/gdb/m2-exp.y
> > @@ -50,8 +50,8 @@
> >  #include "objfiles.h" /* For have_full_symbols and have_partial_symbols */
> >  #include "block.h"
> >  
> > -#define parse_type builtin_type (parse_gdbarch)
> > -#define parse_m2_type builtin_m2_type (parse_gdbarch)
> > +#define parse_type(ps) builtin_type (parse_gdbarch (ps))
> > +#define parse_m2_type(ps) builtin_m2_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
> > @@ -61,7 +61,7 @@
> >     generators need to be fixed instead of adding those names to this list.  */
> >  
> >  #define	yymaxdepth m2_maxdepth
> > -#define	yyparse	m2_parse
> > +#define	yyparse	_m2_parse
> >  #define	yylex	m2_lex
> >  #define	yyerror	m2_error
> >  #define	yylval	m2_lval
> > @@ -113,6 +113,11 @@
> >  
> >  #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);
> > @@ -205,31 +210,31 @@ start   :	exp
> >  	;
> >  
> >  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 */
> >  
> >  exp     :       exp '^'   %prec UNARY
> > -                        { write_exp_elt_opcode (UNOP_IND); }
> > +                        { write_exp_elt_opcode (pstate, UNOP_IND); }
> >  	;
> >  
> >  exp	:	'-'
> >  			{ number_sign = -1; }
> >  		exp    %prec UNARY
> >  			{ number_sign = 1;
> > -			  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	:	not_exp exp %prec UNARY
> > -			{ write_exp_elt_opcode (UNOP_LOGICAL_NOT); }
> > +			{ write_exp_elt_opcode (pstate, UNOP_LOGICAL_NOT); }
> >  	;
> >  
> >  not_exp	:	NOT
> > @@ -237,88 +242,88 @@ not_exp	:	NOT
> >  	;
> >  
> >  exp	:	CAP '(' exp ')'
> > -			{ write_exp_elt_opcode (UNOP_CAP); }
> > +			{ write_exp_elt_opcode (pstate, UNOP_CAP); }
> >  	;
> >  
> >  exp	:	ORD '(' exp ')'
> > -			{ write_exp_elt_opcode (UNOP_ORD); }
> > +			{ write_exp_elt_opcode (pstate, UNOP_ORD); }
> >  	;
> >  
> >  exp	:	ABS '(' exp ')'
> > -			{ write_exp_elt_opcode (UNOP_ABS); }
> > +			{ write_exp_elt_opcode (pstate, UNOP_ABS); }
> >  	;
> >  
> >  exp	: 	HIGH '(' exp ')'
> > -			{ write_exp_elt_opcode (UNOP_HIGH); }
> > +			{ write_exp_elt_opcode (pstate, UNOP_HIGH); }
> >  	;
> >  
> >  exp 	:	MIN_FUNC '(' type ')'
> > -			{ write_exp_elt_opcode (UNOP_MIN);
> > -			  write_exp_elt_type ($3);
> > -			  write_exp_elt_opcode (UNOP_MIN); }
> > +			{ write_exp_elt_opcode (pstate, UNOP_MIN);
> > +			  write_exp_elt_type (pstate, $3);
> > +			  write_exp_elt_opcode (pstate, UNOP_MIN); }
> >  	;
> >  
> >  exp	: 	MAX_FUNC '(' type ')'
> > -			{ write_exp_elt_opcode (UNOP_MAX);
> > -			  write_exp_elt_type ($3);
> > -			  write_exp_elt_opcode (UNOP_MAX); }
> > +			{ write_exp_elt_opcode (pstate, UNOP_MAX);
> > +			  write_exp_elt_type (pstate, $3);
> > +			  write_exp_elt_opcode (pstate, UNOP_MAX); }
> >  	;
> >  
> >  exp	:	FLOAT_FUNC '(' exp ')'
> > -			{ write_exp_elt_opcode (UNOP_FLOAT); }
> > +			{ write_exp_elt_opcode (pstate, UNOP_FLOAT); }
> >  	;
> >  
> >  exp	:	VAL '(' type ',' exp ')'
> > -			{ write_exp_elt_opcode (BINOP_VAL);
> > -			  write_exp_elt_type ($3);
> > -			  write_exp_elt_opcode (BINOP_VAL); }
> > +			{ write_exp_elt_opcode (pstate, BINOP_VAL);
> > +			  write_exp_elt_type (pstate, $3);
> > +			  write_exp_elt_opcode (pstate, BINOP_VAL); }
> >  	;
> >  
> >  exp	:	CHR '(' exp ')'
> > -			{ write_exp_elt_opcode (UNOP_CHR); }
> > +			{ write_exp_elt_opcode (pstate, UNOP_CHR); }
> >  	;
> >  
> >  exp	:	ODD '(' exp ')'
> > -			{ write_exp_elt_opcode (UNOP_ODD); }
> > +			{ write_exp_elt_opcode (pstate, UNOP_ODD); }
> >  	;
> >  
> >  exp	:	TRUNC '(' exp ')'
> > -			{ write_exp_elt_opcode (UNOP_TRUNC); }
> > +			{ write_exp_elt_opcode (pstate, UNOP_TRUNC); }
> >  	;
> >  
> >  exp	:	TSIZE '(' exp ')'
> > -			{ write_exp_elt_opcode (UNOP_SIZEOF); }
> > +			{ write_exp_elt_opcode (pstate, UNOP_SIZEOF); }
> >  	;
> >  
> >  exp	:	SIZE exp       %prec UNARY
> > -			{ write_exp_elt_opcode (UNOP_SIZEOF); }
> > +			{ write_exp_elt_opcode (pstate, UNOP_SIZEOF); }
> >  	;
> >  
> >  
> >  exp	:	INC '(' exp ')'
> > -			{ write_exp_elt_opcode(UNOP_PREINCREMENT); }
> > +			{ write_exp_elt_opcode (pstate, UNOP_PREINCREMENT); }
> >  	;
> >  
> >  exp	:	INC '(' exp ',' exp ')'
> > -			{ write_exp_elt_opcode(BINOP_ASSIGN_MODIFY);
> > -			  write_exp_elt_opcode(BINOP_ADD);
> > -			  write_exp_elt_opcode(BINOP_ASSIGN_MODIFY); }
> > +			{ write_exp_elt_opcode (pstate, BINOP_ASSIGN_MODIFY);
> > +			  write_exp_elt_opcode (pstate, BINOP_ADD);
> > +			  write_exp_elt_opcode (pstate, BINOP_ASSIGN_MODIFY); }
> >  	;
> >  
> >  exp	:	DEC '(' exp ')'
> > -			{ write_exp_elt_opcode(UNOP_PREDECREMENT);}
> > +			{ write_exp_elt_opcode (pstate, UNOP_PREDECREMENT);}
> >  	;
> >  
> >  exp	:	DEC '(' exp ',' exp ')'
> > -			{ write_exp_elt_opcode(BINOP_ASSIGN_MODIFY);
> > -			  write_exp_elt_opcode(BINOP_SUB);
> > -			  write_exp_elt_opcode(BINOP_ASSIGN_MODIFY); }
> > +			{ write_exp_elt_opcode (pstate, BINOP_ASSIGN_MODIFY);
> > +			  write_exp_elt_opcode (pstate, BINOP_SUB);
> > +			  write_exp_elt_opcode (pstate, BINOP_ASSIGN_MODIFY); }
> >  	;
> >  
> >  exp	:	exp DOT NAME
> > -			{ write_exp_elt_opcode (STRUCTOP_STRUCT);
> > -			  write_exp_string ($3);
> > -			  write_exp_elt_opcode (STRUCTOP_STRUCT); }
> > +			{ write_exp_elt_opcode (pstate, STRUCTOP_STRUCT);
> > +			  write_exp_string (pstate, $3);
> > +			  write_exp_elt_opcode (pstate, STRUCTOP_STRUCT); }
> >  	;
> >  
> >  exp	:	set
> > @@ -350,13 +355,13 @@ exp     :       exp '['
> >  			   function types */
> >                          { start_arglist(); }
> >                  non_empty_arglist ']'  %prec DOT
> > -                        { write_exp_elt_opcode (MULTI_SUBSCRIPT);
> > -			  write_exp_elt_longcst ((LONGEST) end_arglist());
> > -			  write_exp_elt_opcode (MULTI_SUBSCRIPT); }
> > +                        { write_exp_elt_opcode (pstate, MULTI_SUBSCRIPT);
> > +			  write_exp_elt_longcst (pstate, (LONGEST) end_arglist());
> > +			  write_exp_elt_opcode (pstate, MULTI_SUBSCRIPT); }
> >          ;
> >  
> >  exp	:	exp '[' exp ']'
> > -			{ write_exp_elt_opcode (BINOP_SUBSCRIPT); }
> > +			{ write_exp_elt_opcode (pstate, BINOP_SUBSCRIPT); }
> >  	;
> >  
> >  exp	:	exp '('
> > @@ -364,9 +369,9 @@ exp	:	exp '('
> >  			   being accumulated by an outer function call.  */
> >  			{ start_arglist (); }
> >  		arglist ')'	%prec DOT
> > -			{ 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); }
> >  	;
> >  
> >  arglist	:
> > @@ -392,15 +397,15 @@ non_empty_arglist
> >  
> >  /* GDB construct */
> >  exp	:	'{' type '}' 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	:	'(' exp ')'
> > @@ -412,131 +417,139 @@ exp	:	'(' exp ')'
> >  
> >  /* GDB construct */
> >  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 DIV exp
> > -                        { write_exp_elt_opcode (BINOP_INTDIV); }
> > +                        { write_exp_elt_opcode (pstate, BINOP_INTDIV); }
> >          ;
> >  
> >  exp	:	exp MOD 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 '=' 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
> > -                        { 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 LOGICAL_AND 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 ASSIGN exp
> > -			{ write_exp_elt_opcode (BINOP_ASSIGN); }
> > +			{ write_exp_elt_opcode (pstate, BINOP_ASSIGN); }
> >  	;
> >  
> >  
> >  /* Constants */
> >  
> >  exp	:	M2_TRUE
> > -			{ 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	:	M2_FALSE
> > -			{ 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	:	INT
> > -			{ write_exp_elt_opcode (OP_LONG);
> > -			  write_exp_elt_type (parse_m2_type->builtin_int);
> > -			  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_m2_type (pstate)->builtin_int);
> > +			  write_exp_elt_longcst (pstate, (LONGEST) $1);
> > +			  write_exp_elt_opcode (pstate, OP_LONG); }
> >  	;
> >  
> >  exp	:	UINT
> >  			{
> > -			  write_exp_elt_opcode (OP_LONG);
> > -			  write_exp_elt_type (parse_m2_type->builtin_card);
> > -			  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_m2_type (pstate)
> > +					      ->builtin_card);
> > +			  write_exp_elt_longcst (pstate, (LONGEST) $1);
> > +			  write_exp_elt_opcode (pstate, OP_LONG);
> >  			}
> >  	;
> >  
> >  exp	:	CHAR
> > -			{ write_exp_elt_opcode (OP_LONG);
> > -			  write_exp_elt_type (parse_m2_type->builtin_char);
> > -			  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_m2_type (pstate)
> > +					      ->builtin_char);
> > +			  write_exp_elt_longcst (pstate, (LONGEST) $1);
> > +			  write_exp_elt_opcode (pstate, OP_LONG); }
> >  	;
> >  
> >  
> >  exp	:	FLOAT
> > -			{ write_exp_elt_opcode (OP_DOUBLE);
> > -			  write_exp_elt_type (parse_m2_type->builtin_real);
> > -			  write_exp_elt_dblcst ($1);
> > -			  write_exp_elt_opcode (OP_DOUBLE); }
> > +			{ write_exp_elt_opcode (pstate, OP_DOUBLE);
> > +			  write_exp_elt_type (pstate,
> > +					      parse_m2_type (pstate)
> > +					      ->builtin_real);
> > +			  write_exp_elt_dblcst (pstate, $1);
> > +			  write_exp_elt_opcode (pstate, OP_DOUBLE); }
> >  	;
> >  
> >  exp	:	variable
> >  	;
> >  
> >  exp	:	SIZE '(' type ')'	%prec UNARY
> > -			{ write_exp_elt_opcode (OP_LONG);
> > -			  write_exp_elt_type (parse_type->builtin_int);
> > -			  write_exp_elt_longcst ((LONGEST) TYPE_LENGTH ($3));
> > -			  write_exp_elt_opcode (OP_LONG); }
> > +			{ write_exp_elt_opcode (pstate, OP_LONG);
> > +			  write_exp_elt_type (pstate, parse_type (pstate)->builtin_int);
> > +			  write_exp_elt_longcst (pstate,
> > +						 (LONGEST) TYPE_LENGTH ($3));
> > +			  write_exp_elt_opcode (pstate, OP_LONG); }
> >  	;
> >  
> >  exp	:	STRING
> > -			{ write_exp_elt_opcode (OP_M2_STRING);
> > -			  write_exp_string ($1);
> > -			  write_exp_elt_opcode (OP_M2_STRING); }
> > +			{ write_exp_elt_opcode (pstate, OP_M2_STRING);
> > +			  write_exp_string (pstate, $1);
> > +			  write_exp_elt_opcode (pstate, OP_M2_STRING); }
> >  	;
> >  
> >  /* This will be used for extensions later.  Like adding modules.  */
> > @@ -546,7 +559,8 @@ block	:	fblock
> >  
> >  fblock	:	BLOCKNAME
> >  			{ struct symbol *sym
> > -			    = lookup_symbol (copy_name ($1), expression_context_block,
> > +			    = lookup_symbol (copy_name ($1),
> > +					     expression_context_block,
> >  					     VAR_DOMAIN, 0);
> >  			  $$ = sym;}
> >  	;
> > @@ -566,10 +580,10 @@ fblock	:	block COLONCOLON BLOCKNAME
> >  
> >  /* Useful for assigning to PROCEDURE variables */
> >  variable:	fblock
> > -			{ write_exp_elt_opcode(OP_VAR_VALUE);
> > -			  write_exp_elt_block (NULL);
> > -			  write_exp_elt_sym ($1);
> > -			  write_exp_elt_opcode (OP_VAR_VALUE); }
> > +			{ write_exp_elt_opcode (pstate, OP_VAR_VALUE);
> > +			  write_exp_elt_block (pstate, NULL);
> > +			  write_exp_elt_sym (pstate, $1);
> > +			  write_exp_elt_opcode (pstate, OP_VAR_VALUE); }
> >  	;
> >  
> >  /* GDB internal ($foo) variable */
> > @@ -592,11 +606,11 @@ variable:	block COLONCOLON NAME
> >  				innermost_block = block_found;
> >  			    }
> >  
> > -			  write_exp_elt_opcode (OP_VAR_VALUE);
> > +			  write_exp_elt_opcode (pstate, OP_VAR_VALUE);
> >  			  /* block_found is set by lookup_symbol.  */
> > -			  write_exp_elt_block (block_found);
> > -			  write_exp_elt_sym (sym);
> > -			  write_exp_elt_opcode (OP_VAR_VALUE); }
> > +			  write_exp_elt_block (pstate, block_found);
> > +			  write_exp_elt_sym (pstate, sym);
> > +			  write_exp_elt_opcode (pstate, OP_VAR_VALUE); }
> >  	;
> >  
> >  /* Base case for variables.  */
> > @@ -618,13 +632,13 @@ variable:	NAME
> >  				    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
> >  			    {
> > @@ -634,7 +648,7 @@ variable:	NAME
> >  			      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.  Use the \"symbol-file\" command."));
> >  			      else
> > @@ -646,7 +660,8 @@ variable:	NAME
> >  
> >  type
> >  	:	TYPENAME
> > -			{ $$ = lookup_typename (parse_language, parse_gdbarch,
> > +			{ $$ = lookup_typename (parse_language (pstate),
> > +						parse_gdbarch (pstate),
> >  						copy_name ($1),
> >  						expression_context_block, 0); }
> >  
> > @@ -806,8 +821,8 @@ static struct keyword keytab[] =
> >  
> >  /* Read one token, getting characters through lexptr.  */
> >  
> > -/* This is where we will check to make sure that the language and the operators used are
> > -   compatible  */
> > +/* This is where we will check to make sure that the language and the
> > +   operators used are compatible  */
> >  
> >  static int
> >  yylex (void)
> > @@ -993,7 +1008,7 @@ yylex (void)
> >  
> >    if (*tokstart == '$')
> >      {
> > -      write_dollar_variable (yylval.sval);
> > +      write_dollar_variable (pstate, yylval.sval);
> >        return INTERNAL_VAR;
> >      }
> >  
> > @@ -1013,7 +1028,7 @@ yylex (void)
> >      sym = lookup_symbol (tmp, expression_context_block, VAR_DOMAIN, 0);
> >      if (sym && SYMBOL_CLASS (sym) == LOC_BLOCK)
> >        return BLOCKNAME;
> > -    if (lookup_typename (parse_language, parse_gdbarch,
> > +    if (lookup_typename (parse_language (pstate), parse_gdbarch (pstate),
> >  			 copy_name (yylval.sval), expression_context_block, 1))
> >        return TYPENAME;
> >  
> > @@ -1071,6 +1086,16 @@ yylex (void)
> >   }
> >  }
> >  
> > +int
> > +m2_parse (struct parser_state *par_state)
> > +{
> > +  /* Setting up the parser state.  */
> > +  gdb_assert (par_state != NULL);
> > +  pstate = par_state;
> > +
> > +  return _m2_parse ();
> > +}
> > +
> >  void
> >  yyerror (char *msg)
> >  {
> > diff --git a/gdb/m2-lang.h b/gdb/m2-lang.h
> > index fc6de34..daae348 100644
> > --- a/gdb/m2-lang.h
> > +++ b/gdb/m2-lang.h
> > @@ -18,9 +18,11 @@
> >     You should have received a copy of the GNU General Public License
> >     along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
> >  
> > -extern int m2_parse (void);	/* Defined in m2-exp.y */
> > +struct parser_state;
> >  
> > -extern void m2_error (char *);	/* Defined in m2-exp.y */
> > +extern int m2_parse (struct parser_state *); /* Defined in m2-exp.y */
> > +
> > +extern void m2_error (char *); /* Defined in m2-exp.y */
> >  
> >  /* Defined in m2-typeprint.c */
> >  extern void m2_print_type (struct type *, const char *, struct ui_file *, int,
> > -- 
> > 1.7.7.6
> 
> -- 
> Sergio

-- 
Joel


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