* ch-exp.y: Remove lots of unsupported productions and names.

Add support for IF-expressions, ORIF, ANDID, NUM, and ADDR.
This makes progress for PR 5826.
This commit is contained in:
Per Bothner 1995-06-14 21:30:58 +00:00
parent b990c2443e
commit 0faa324790
1 changed files with 48 additions and 265 deletions

View File

@ -153,43 +153,12 @@ yyerror PARAMS ((char *));
int *ivec;
}
%token <voidval> FIXME_01
%token <voidval> FIXME_02
%token <voidval> FIXME_03
%token <voidval> FIXME_04
%token <voidval> FIXME_05
%token <voidval> FIXME_06
%token <voidval> FIXME_07
%token <voidval> FIXME_08
%token <voidval> FIXME_09
%token <voidval> FIXME_10
%token <voidval> FIXME_11
%token <voidval> FIXME_12
%token <voidval> FIXME_13
%token <voidval> FIXME_14
%token <voidval> FIXME_15
%token <voidval> FIXME_16
%token <voidval> FIXME_17
%token <voidval> FIXME_18
%token <voidval> FIXME_19
%token <voidval> FIXME_20
%token <voidval> FIXME_21
%token <voidval> FIXME_22
%token <voidval> FIXME_24
%token <voidval> FIXME_25
%token <voidval> FIXME_26
%token <voidval> FIXME_27
%token <voidval> FIXME_28
%token <voidval> FIXME_29
%token <voidval> FIXME_30
%token <typed_val> INTEGER_LITERAL
%token <ulval> BOOLEAN_LITERAL
%token <typed_val> CHARACTER_LITERAL
%token <dval> FLOAT_LITERAL
%token <ssym> GENERAL_PROCEDURE_NAME
%token <ssym> LOCATION_NAME
%token <voidval> SET_LITERAL
%token <voidval> EMPTINESS_LITERAL
%token <sval> CHARACTER_STRING_LITERAL
%token <sval> BIT_STRING_LITERAL
@ -242,6 +211,7 @@ yyerror PARAMS ((char *));
%token <voidval> CARD
%token <voidval> MAX_TOKEN
%token <voidval> MIN_TOKEN
%token <voidval> ADDR_TOKEN
%token <voidval> SIZE
%token <voidval> UPPER
%token <voidval> LOWER
@ -264,20 +234,13 @@ yyerror PARAMS ((char *));
%type <voidval> tuple
%type <voidval> slice
%type <voidval> expression_conversion
%type <voidval> value_procedure_call
%type <voidval> value_built_in_routine_call
%type <voidval> chill_value_built_in_routine_call
%type <voidval> start_expression
%type <voidval> zero_adic_operator
%type <voidval> parenthesised_expression
%type <voidval> value
%type <voidval> undefined_value
%type <voidval> expression
%type <voidval> conditional_expression
%type <voidval> then_alternative
%type <voidval> else_alternative
%type <voidval> sub_expression
%type <voidval> value_case_alternative
%type <voidval> operand_0
%type <voidval> operand_1
%type <voidval> operand_2
@ -285,24 +248,19 @@ yyerror PARAMS ((char *));
%type <voidval> operand_4
%type <voidval> operand_5
%type <voidval> operand_6
%type <voidval> synonym_name
%type <voidval> value_enumeration_name
%type <voidval> value_do_with_name
%type <voidval> value_receive_name
%type <voidval> expression_list
%type <tval> mode_argument
%type <voidval> array_mode_name
%type <voidval> string_mode_name
%type <voidval> variant_structure_mode_name
%type <voidval> boolean_expression
%type <voidval> case_selector_list
%type <voidval> subexpression
%type <voidval> case_label_specification
%type <voidval> buffer_location
%type <voidval> single_assignment_action
%type <tsym> mode_name
%type <lval> rparen
/* Not implemented:
%type <voidval> undefined_value
%type <voidval> array_mode_name
%type <voidval> string_mode_name
%type <voidval> variant_structure_mode_name
*/
%%
/* Z.200, 5.3.1 */
@ -315,19 +273,10 @@ start : value { }
;
value : expression
{
$$ = 0; /* FIXME */
}
/*
| undefined_value
{
$$ = 0; /* FIXME */
}
;
undefined_value : FIXME_01
{
$$ = 0; /* FIXME */
}
{ ??? }
*/
;
/* Z.200, 4.2.2 */
@ -357,10 +306,6 @@ access_name : LOCATION_NAME
write_exp_elt_intern ($1);
write_exp_elt_opcode (OP_INTERNALVAR);
}
| FIXME_03
{
$$ = 0; /* FIXME */
}
;
/* Z.200, 4.2.8 */
@ -420,66 +365,23 @@ primitive_value :
write_exp_elt_opcode (UNOP_IND);
}
| value_name
{
$$ = 0; /* FIXME */
}
| literal
{
$$ = 0; /* FIXME */
}
| tuple
{
$$ = 0; /* FIXME */
}
| slice
{
$$ = 0; /* FIXME */
}
| expression_conversion
{
$$ = 0; /* FIXME */
}
| value_procedure_call
{
$$ = 0; /* FIXME */
}
| value_built_in_routine_call
{
$$ = 0; /* FIXME */
}
/*
| start_expression
{
$$ = 0; /* FIXME */
}
{ ??? }
| zero_adic_operator
{
$$ = 0; /* FIXME */
}
{ ??? }
*/
| parenthesised_expression
{
$$ = 0; /* FIXME */
}
;
/* Z.200, 5.2.3 */
value_name : synonym_name
{
$$ = 0; /* FIXME */
}
| value_enumeration_name
{
$$ = 0; /* FIXME */
}
| value_do_with_name
{
$$ = 0; /* FIXME */
}
| value_receive_name
{
$$ = 0; /* FIXME */
}
| GENERAL_PROCEDURE_NAME
value_name : GENERAL_PROCEDURE_NAME
{
write_exp_elt_opcode (OP_VAR_VALUE);
write_exp_elt_block (NULL);
@ -517,10 +419,6 @@ literal : INTEGER_LITERAL
write_exp_elt_dblcst ($1);
write_exp_elt_opcode (OP_DOUBLE);
}
| SET_LITERAL
{
$$ = 0; /* FIXME */
}
| EMPTINESS_LITERAL
{
struct type *void_ptr_type
@ -641,113 +539,44 @@ expression_conversion: mode_name parenthesised_expression
}
;
/* Z.200, 5.2.12 */
value_procedure_call: FIXME_05
{
$$ = 0; /* FIXME */
}
;
/* Z.200, 5.2.13 */
value_built_in_routine_call: chill_value_built_in_routine_call
{
$$ = 0; /* FIXME */
}
;
/* Z.200, 5.2.14 */
start_expression: FIXME_06
{
$$ = 0; /* FIXME */
} /* Not in GNU-Chill */
;
/* Z.200, 5.2.15 */
zero_adic_operator: FIXME_07
{
$$ = 0; /* FIXME */
}
;
/* Z.200, 5.2.16 */
parenthesised_expression: '(' expression ')'
{
$$ = 0; /* FIXME */
}
;
/* Z.200, 5.3.2 */
expression : operand_0
{
$$ = 0; /* FIXME */
}
| single_assignment_action
{
$$ = 0; /* FIXME */
}
| conditional_expression
{
$$ = 0; /* FIXME */
}
;
conditional_expression : IF boolean_expression then_alternative else_alternative FI
{
$$ = 0; /* FIXME */
}
| CASE case_selector_list OF value_case_alternative ELSE sub_expression ESAC
{
$$ = 0; /* FIXME */
}
conditional_expression : IF expression then_alternative else_alternative FI
{ write_exp_elt_opcode (TERNOP_COND); }
/*
| CASE case_selector_list OF value_case_alternative ELSE expression ESAC
{ error ("not implemented: CASE expression" }
*/
;
then_alternative: THEN subexpression
{
$$ = 0; /* FIXME */
}
then_alternative: THEN expression
;
else_alternative: ELSE subexpression
{
$$ = 0; /* FIXME */
}
| ELSIF boolean_expression then_alternative else_alternative
{
$$ = 0; /* FIXME */
}
;
sub_expression : expression
{
$$ = 0; /* FIXME */
}
;
value_case_alternative: case_label_specification ':' sub_expression ';'
{
$$ = 0; /* FIXME */
}
else_alternative: ELSE expression
| ELSIF expression then_alternative else_alternative
{ write_exp_elt_opcode (TERNOP_COND); }
;
/* Z.200, 5.3.3 */
operand_0 : operand_1
{
$$ = 0; /* FIXME */
}
| operand_0 LOGIOR operand_1
{
write_exp_elt_opcode (BINOP_BITWISE_IOR);
}
| operand_0 ORIF operand_1
{
$$ = 0; /* FIXME */
write_exp_elt_opcode (BINOP_LOGICAL_OR);
}
| operand_0 LOGXOR operand_1
{
@ -758,25 +587,19 @@ operand_0 : operand_1
/* Z.200, 5.3.4 */
operand_1 : operand_2
{
$$ = 0; /* FIXME */
}
| operand_1 LOGAND operand_2
{
write_exp_elt_opcode (BINOP_BITWISE_AND);
}
| operand_1 ANDIF operand_2
{
$$ = 0; /* FIXME */
write_exp_elt_opcode (BINOP_LOGICAL_AND);
}
;
/* Z.200, 5.3.5 */
operand_2 : operand_3
{
$$ = 0; /* FIXME */
}
| operand_2 '=' operand_3
{
write_exp_elt_opcode (BINOP_EQUAL);
@ -811,9 +634,6 @@ operand_2 : operand_3
/* Z.200, 5.3.6 */
operand_3 : operand_4
{
$$ = 0; /* FIXME */
}
| operand_3 '+' operand_4
{
write_exp_elt_opcode (BINOP_ADD);
@ -831,9 +651,6 @@ operand_3 : operand_4
/* Z.200, 5.3.7 */
operand_4 : operand_5
{
$$ = 0; /* FIXME */
}
| operand_4 '*' operand_5
{
write_exp_elt_opcode (BINOP_MUL);
@ -855,9 +672,6 @@ operand_4 : operand_5
/* Z.200, 5.3.8 */
operand_5 : operand_6
{
$$ = 0; /* FIXME */
}
| '-' operand_6
{
write_exp_elt_opcode (UNOP_NEG);
@ -880,14 +694,9 @@ operand_6 : POINTER primitive_value
{
write_exp_elt_opcode (UNOP_ADDR);
}
| RECEIVE buffer_location
{
$$ = 0; /* FIXME */
}
| RECEIVE expression
{ error ("not implemented: RECEIVE expression"); }
| primitive_value
{
$$ = 0; /* FIXME */
}
;
@ -902,35 +711,27 @@ single_assignment_action :
/* Z.200, 6.20.3 */
chill_value_built_in_routine_call :
value_built_in_routine_call :
NUM '(' expression ')'
{
$$ = 0; /* FIXME */
write_exp_elt_opcode (UNOP_CAST);
write_exp_elt_type (builtin_type_int);
write_exp_elt_opcode (UNOP_CAST);
}
| PRED '(' expression ')'
{
$$ = 0; /* FIXME */
}
{ error ("not implemented: PRED builtin function"); }
| SUCC '(' expression ')'
{
$$ = 0; /* FIXME */
}
{ error ("not implemented: SUCC builtin function"); }
| ADDR_TOKEN '(' expression ')'
{ write_exp_elt_opcode (UNOP_ADDR); }
| ABS '(' expression ')'
{
$$ = 0; /* FIXME */
}
{ error ("not implemented: ABS builtin function"); }
| CARD '(' expression ')'
{
$$ = 0; /* FIXME */
}
{ error ("not implemented: CARD builtin function"); }
| MAX_TOKEN '(' expression ')'
{
$$ = 0; /* FIXME */
}
{ error ("not implemented: MAX builtin function"); }
| MIN_TOKEN '(' expression ')'
{
$$ = 0; /* FIXME */
}
{ error ("not implemented: MIN builtin function"); }
| SIZE '(' expression ')'
{ write_exp_elt_opcode (UNOP_SIZEOF); }
| SIZE '(' mode_argument ')'
@ -954,38 +755,19 @@ mode_argument : mode_name
{
$$ = $1.type;
}
/*
| array_mode_name '(' expression ')'
{
$$ = 0; /* FIXME */
}
{ ??? }
| string_mode_name '(' expression ')'
{
$$ = 0; /* FIXME */
}
{ ??? }
| variant_structure_mode_name '(' expression_list ')'
{
$$ = 0; /* FIXME */
}
{ ??? }
*/
;
mode_name : TYPENAME
;
/* Things which still need productions... */
array_mode_name : FIXME_08 { $$ = 0; }
string_mode_name : FIXME_09 { $$ = 0; }
variant_structure_mode_name: FIXME_10 { $$ = 0; }
synonym_name : FIXME_11 { $$ = 0; }
value_enumeration_name : FIXME_12 { $$ = 0; }
value_do_with_name : FIXME_13 { $$ = 0; }
value_receive_name : FIXME_14 { $$ = 0; }
boolean_expression : FIXME_26 { $$ = 0; }
case_selector_list : FIXME_27 { $$ = 0; }
subexpression : FIXME_28 { $$ = 0; }
case_label_specification: FIXME_29 { $$ = 0; }
buffer_location : FIXME_30 { $$ = 0; }
%%
/* Implementation of a dynamically expandable buffer for processing input
@ -1752,6 +1534,7 @@ static const struct token idtokentab[] =
{ "in", IN },
{ "or", LOGIOR },
{ "up", UP },
{ "addr", ADDR_TOKEN },
{ "null", EMPTINESS_LITERAL }
};