mirror of
https://github.com/ksherlock/mpw.git
synced 2024-11-24 13:32:39 +00:00
128 lines
2.8 KiB
Plaintext
128 lines
2.8 KiB
Plaintext
%token_prefix tk
|
|
%name TemplateParse
|
|
%extra_argument { Debug::TemplateParseInfo *info }
|
|
|
|
|
|
%include {
|
|
|
|
#include <string>
|
|
#include <stdlib.h>
|
|
|
|
#include "template.h"
|
|
|
|
using namespace Debug;
|
|
}
|
|
|
|
%type struct_fields { FieldEntry * }
|
|
%type struct_field { FieldEntry * }
|
|
|
|
start ::= templates.
|
|
|
|
templates ::= templates struct.
|
|
templates ::= templates typedef.
|
|
templates ::= .
|
|
|
|
// typedeffing arrays or pointers is not allowed.
|
|
|
|
typedef ::= TYPEDEF type(a) IDENTIFIER(b). {
|
|
CreateTypedef((std::string *)b, a, info);
|
|
}
|
|
|
|
struct ::= STRUCT IDENTIFIER(a) LBRACE struct_fields(b) RBRACE SEMI.
|
|
{
|
|
CreateTemplate((std::string *)a, b, info);
|
|
}
|
|
|
|
struct_fields(rhs) ::= struct_fields(a) struct_field(b). {
|
|
// reverse order?
|
|
b->next = a;
|
|
rhs = b;
|
|
}
|
|
|
|
struct_fields(rhs) ::= struct_field(a). {
|
|
rhs = a;
|
|
}
|
|
|
|
struct_field(rhs) ::= type(a) IDENTIFIER(b) array_count(c) SEMI.
|
|
{
|
|
FieldEntry *e = (FieldEntry *)calloc(sizeof(FieldEntry), 1);
|
|
|
|
e->name = (std::string *)b;
|
|
e->type = a;
|
|
e->count = c;
|
|
rhs = e;
|
|
}
|
|
|
|
struct_field(rhs) ::= opt_volatile TEMPLATE(a) opt_star(star) IDENTIFIER(b) array_count(c) SEMI. {
|
|
FieldEntry *e = (FieldEntry *)calloc(sizeof(FieldEntry), 1);
|
|
|
|
e->name = (std::string *)b;
|
|
e->type = star ? kStructPtr : kStruct;
|
|
e->tmpl = (Template)a;
|
|
e->count = c;
|
|
|
|
rhs = e;
|
|
}
|
|
|
|
%type array_count { int }
|
|
array_count(rhs) ::= . { rhs = 0; }
|
|
array_count(rhs) ::= LBRACKET INTEGER(a) RBRACKET. {
|
|
int i = (int)(ptrdiff_t)a;
|
|
if (i == 0) {
|
|
fprintf(stderr, "Template error: line %u: 0-sized arrays are not allowed.\n",
|
|
info->LineNumber);
|
|
i = 1;
|
|
}
|
|
rhs = i;
|
|
}
|
|
|
|
%type type { int }
|
|
type(rhs) ::= opt_volatile typecode(a). { rhs = a; }
|
|
|
|
// this is an expected error...
|
|
type(rhs) ::= opt_volatile IDENTIFIER(xxx). {
|
|
|
|
// ugh, Lemon will blindly replace text within a string.
|
|
fprintf(stderr, "Template error: line %u: %s is not a known type.\n",
|
|
info->LineNumber, ((std::string *)xxx)->c_str());
|
|
|
|
rhs = 'i';
|
|
}
|
|
|
|
|
|
opt_volatile ::= .
|
|
opt_volatile ::= VOLATILE.
|
|
|
|
|
|
%type typecode { int }
|
|
typecode(rhs) ::= SIGNED. { rhs = kSInt32; }
|
|
typecode(rhs) ::= UNSIGNED. {rhs = kUInt32; }
|
|
|
|
typecode(rhs) ::= opt_signed CHAR. { rhs = kSInt8; }
|
|
typecode(rhs) ::= UNSIGNED CHAR. { rhs = kUInt8; }
|
|
|
|
typecode(rhs) ::= opt_signed SHORT. { rhs = kSInt16; }
|
|
typecode(rhs) ::= UNSIGNED SHORT. { rhs = kUInt16; }
|
|
|
|
typecode(rhs) ::= opt_signed LONG opt_int. { rhs = kSInt32; }
|
|
typecode(rhs) ::= UNSIGNED LONG opt_int. { rhs = kUInt32; }
|
|
|
|
typecode(rhs) ::= opt_signed LONG LONG. { rhs = kSInt64; }
|
|
typecode(rhs) ::= UNSIGNED LONG LONG. { rhs = kUInt64; }
|
|
|
|
typecode(rhs) ::= TYPECODE(a). { rhs = (int)(ptrdiff_t)a; }
|
|
|
|
/* pointers are not fully supported yet */
|
|
typecode(rhs) ::= VOID STAR. { rhs = kVoidPtr; }
|
|
|
|
opt_signed ::= .
|
|
opt_signed ::= SIGNED.
|
|
|
|
opt_int ::= .
|
|
opt_int ::= INT.
|
|
|
|
%type opt_star { int }
|
|
opt_star(rhs) ::= . { rhs = 0; }
|
|
opt_star(rhs) ::= STAR. { rhs = 1; }
|
|
|