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Implement .max and .min type properties

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This commit is contained in:
Eugen Wissner
2025-02-16 07:53:31 +01:00
parent b358f8ba27
commit 994b91e0e5
5 changed files with 290 additions and 277 deletions
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12
boot/lexer.ll
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@ -89,12 +89,6 @@ const {
var {
return yy::parser::make_VAR(this->location);
}
array {
return yy::parser::make_ARRAY(this->location);
}
of {
return yy::parser::make_OF(this->location);
}
type {
return yy::parser::make_TYPE(this->location);
}
@ -104,12 +98,6 @@ record {
union {
return yy::parser::make_UNION(this->location);
}
pointer {
return yy::parser::make_POINTER(this->location);
}
to {
return yy::parser::make_TO(this->location);
}
true {
return yy::parser::make_BOOLEAN(true, this->location);
}

25
boot/parser.yy
View File

@ -82,7 +82,7 @@ along with GCC; see the file COPYING3. If not see
%token <std::string> STRING "string"
%token <bool> BOOLEAN
%token IF WHILE DO THEN ELSE ELSIF RETURN
%token CONST VAR PROCEDURE ARRAY OF TYPE RECORD POINTER TO UNION
%token CONST VAR PROCEDURE TYPE RECORD UNION
%token BEGIN_BLOCK END_BLOCK EXTERN DEFER
%token LEFT_PAREN RIGHT_PAREN LEFT_SQUARE RIGHT_SQUARE SEMICOLON DOT COMMA
%token AND OR NOT CAST SHIFT_LEFT SHIFT_RIGHT
@ -118,7 +118,7 @@ along with GCC; see the file COPYING3. If not see
%type <std::vector<elna::boot::type_definition *>> type_definitions type_part;
%type <elna::boot::block *> block;
%type <elna::boot::field_t> field_declaration;
%type <std::vector<std::pair<std::string, std::shared_ptr<elna::boot::top_type>>>> field_list;
%type <std::vector<std::pair<std::string, std::shared_ptr<elna::boot::top_type>>>> optional_fields fields;
%type <std::vector<elna::boot::conditional_statements *>> elsif_statement_list;
%type <elna::boot::cast_expression *> cast_expression;
%type <elna::boot::defer_statement *> defer_statement;
@ -414,9 +414,9 @@ statement:
}
| defer_statement { $$ = $1; }
statements:
statement SEMICOLON statements
statement statements
{
std::swap($$, $3);
std::swap($$, $2);
$$.emplace($$.cbegin(), $1);
}
| statement { $$.push_back($1); }
@ -425,27 +425,30 @@ optional_statements:
| /* no statements */ {}
field_declaration:
IDENTIFIER COLON type_expression { $$ = std::make_pair($1, $3); }
field_list:
field_declaration field_list
fields:
field_declaration fields
{
std::swap($$, $2);
$$.emplace($$.cbegin(), $1);
}
| field_declaration { $$.emplace_back($1); }
optional_fields:
fields { std::swap($$, $1); }
| /* no fields */ {}
type_expression:
ARRAY INTEGER OF type_expression
LEFT_SQUARE INTEGER RIGHT_SQUARE type_expression
{
$$ = std::make_shared<elna::boot::array_type>(elna::boot::make_position(@1), $4, $2);
}
| POINTER TO type_expression
| HAT type_expression
{
$$ = std::make_shared<elna::boot::pointer_type>(elna::boot::make_position(@1), $3);
$$ = std::make_shared<elna::boot::pointer_type>(elna::boot::make_position(@1), $2);
}
| RECORD field_list END_BLOCK
| RECORD optional_fields END_BLOCK
{
$$ = std::make_shared<elna::boot::record_type>(elna::boot::make_position(@1), std::move($2));
}
| UNION field_list END_BLOCK
| UNION fields END_BLOCK
{
$$ = std::make_shared<elna::boot::union_type>(elna::boot::make_position(@1), std::move($2));
}