mirror of
https://github.com/ZDoom/gzdoom.git
synced 2024-12-15 23:21:46 +00:00
- So, progress...
SVN r2707 (scripting)
This commit is contained in:
Randy Heit
parent
081ebbb64b
commit
12c6ddfbfb
2 changed files with 215 additions and 50 deletions
|
|
@ -64,6 +64,10 @@
|
|||
%left DOT LPAREN LBRACKET.
|
||||
%left SCOPE.
|
||||
|
||||
%type declarator {ZCC_Declarator *}
|
||||
%type declarator_no_fun {ZCC_Declarator *}
|
||||
%type opt_func_body {ZCC_CompoundStmt *}
|
||||
%type function_body {ZCC_CompoundStmt *}
|
||||
|
||||
main ::= translation_unit. { stat->sc.ScriptMessage("Parse complete\n"); }
|
||||
|
||||
|
|
@ -180,7 +184,7 @@ class_member ::= default_def.
|
|||
class_member ::= const_def.
|
||||
|
||||
/*----- Struct Definition -----*/
|
||||
/* Structs can define variables, enums<s>, and structs</s>. */
|
||||
/* Structs can define variables and enums. */
|
||||
|
||||
%type struct_body{ZCC_TreeNode *}
|
||||
%type struct_member{ZCC_TreeNode *}
|
||||
|
|
@ -205,7 +209,7 @@ struct_member(X) ::= enum_def(A). { X = A; }
|
|||
/*----- Enum Definition -----*/
|
||||
/* Enumerators are lists of named integers. */
|
||||
|
||||
%type enum_type {EZCCIntType}
|
||||
%type enum_type {EZCCBuiltinType}
|
||||
%type enum_list {ZCC_EnumNode *}
|
||||
%type enumerator {ZCC_EnumNode *}
|
||||
|
||||
|
|
@ -362,33 +366,67 @@ state_call(X) ::= IDENTIFIER(A) func_expr_list(B).
|
|||
default_def ::= DEFAULT compound_statement.
|
||||
|
||||
/* Type names */
|
||||
%type int_type {EZCCIntType}
|
||||
%type type_name {PType *}
|
||||
%type int_type {EZCCBuiltinType}
|
||||
%type type_name {ZCC_BasicType *}
|
||||
%type type_name1 {EZCCBuiltinType}
|
||||
%type vector_size {EZCCBuiltinType}
|
||||
|
||||
int_type(X) ::= SBYTE. { X = ZCCINT_SInt8; }
|
||||
int_type(X) ::= BYTE. { X = ZCCINT_UInt8; }
|
||||
int_type(X) ::= SHORT. { X = ZCCINT_SInt16; }
|
||||
int_type(X) ::= USHORT. { X = ZCCINT_UInt16; }
|
||||
int_type(X) ::= INT. { X = ZCCINT_SInt32; }
|
||||
int_type(X) ::= UINT. { X = ZCCINT_UInt32; }
|
||||
int_type(X) ::= SBYTE. { X = ZCC_SInt8; }
|
||||
int_type(X) ::= BYTE. { X = ZCC_UInt8; }
|
||||
int_type(X) ::= SHORT. { X = ZCC_SInt16; }
|
||||
int_type(X) ::= USHORT. { X = ZCC_UInt16; }
|
||||
int_type(X) ::= INT. { X = ZCC_SInt32; }
|
||||
int_type(X) ::= UINT. { X = ZCC_UInt32; }
|
||||
|
||||
type_name(X) ::= BOOL. { /*FIXME*/ X = TypeBool; }
|
||||
type_name(X) ::= int_type(A). { X = A; }
|
||||
type_name(X) ::= FLOAT. { X = TypeFloat32; }
|
||||
type_name(X) ::= DOUBLE. { X = TypeFloat64; }
|
||||
type_name(X) ::= STRING. { X = TypeString; }
|
||||
type_name(X) ::= VECTOR vector_size(A). { X = NewVector(A); }
|
||||
type_name(X) ::= NAME. { X = TypeName; }
|
||||
type_name(X) ::= IDENTIFIER. /* User-defined type (struct, enum, or class) */
|
||||
type_name1(X) ::= BOOL. { X = ZCC_Bool; }
|
||||
type_name1(X) ::= int_type(A). { X = A; }
|
||||
type_name1(X) ::= FLOAT. { X = ZCC_FloatAuto; }
|
||||
type_name1(X) ::= DOUBLE. { X = ZCC_Float64; }
|
||||
type_name1(X) ::= STRING. { X = ZCC_String; }
|
||||
type_name1(X) ::= VECTOR vector_size(A). { X = A; }
|
||||
type_name1(X) ::= NAME. { X = ZCC_Name; }
|
||||
|
||||
type_name(X) ::= type_name1(A).
|
||||
{
|
||||
// FIXME
|
||||
X = NULL;
|
||||
NEW_AST_NODE(BasicType, type);
|
||||
type->Type = A;
|
||||
type->UserType = NULL;
|
||||
X = type;
|
||||
}
|
||||
type_name(X) ::= IDENTIFIER(A). /* User-defined type (struct, enum, or class) */
|
||||
{
|
||||
NEW_AST_NODE(BasicType, type);
|
||||
NEW_AST_NODE(ZCC_Identifier, id);
|
||||
type->Type = ZCC_UserType;
|
||||
type->UserType = id;
|
||||
id->Id = A;
|
||||
X = type;
|
||||
}
|
||||
type_name(X) ::= LBRACKET dottable_id(A) RBRACKET.
|
||||
{
|
||||
NEW_AST_NODE(BasicType, type);
|
||||
type->Type = ZCC_UserType;
|
||||
type->UserType = A;
|
||||
X = type;
|
||||
}
|
||||
|
||||
%type vector_size {unsigned int}
|
||||
|
||||
vector_size ::= .
|
||||
vector_size(X) ::= LT INTCONST(A) GT. { X = A.Int; }
|
||||
/* Vectors can be 2, 3, or 4 entries long. Default is a 3D vector.
|
||||
* (Well, actually, I'm not sure if 4D ones are going to happen
|
||||
* straight away.)
|
||||
*/
|
||||
vector_size(X) ::= . { X = ZCC_Vector3; }
|
||||
vector_size(X) ::= LT INTCONST(A) GT.
|
||||
{
|
||||
if (A.Int >= 2 && A.Int <= 4)
|
||||
{
|
||||
X = ZCC_Vector2 + A.Int - 2;
|
||||
}
|
||||
else
|
||||
{
|
||||
X = ZCC_Vector3;
|
||||
stat->sc.ScriptMessage("Invalid vector size %d\n", A.Int);
|
||||
}
|
||||
}
|
||||
|
||||
/* Type names can also be used as identifiers in contexts where type names
|
||||
* are not normally allowed. */
|
||||
|
|
@ -401,15 +439,32 @@ vector_size(X) ::= LT INTCONST(A) GT. { X = A.Int; }
|
|||
%type type_list {ZCC_Type *}
|
||||
%type type_list_or_void {ZCC_Type *}
|
||||
%type type_or_array {ZCC_Type *}
|
||||
%type class_restrictor {PClass *}
|
||||
%type class_restrictor {ZCC_Identifier *}
|
||||
%type array_size{ZCC_Expression *}
|
||||
|
||||
aggregate_type ::= MAP LT type_or_array COMMA type_or_array GT. /* Hash table */
|
||||
aggregate_type ::= ARRAY LT type_or_array GT. /* TArray<type> */
|
||||
aggregate_type ::= CLASS class_restrictor. /* class<type> */
|
||||
aggregate_type(X) ::= MAP LT type_or_array(A) COMMA type_or_array(B) GT. /* Hash table */
|
||||
{
|
||||
NEW_AST_NODE(ZCC_MapType,map);
|
||||
map->KeyType = A;
|
||||
map->ValueType = B;
|
||||
X = map;
|
||||
}
|
||||
|
||||
class_restrictor ::= .
|
||||
class_restrictor ::= LT IDENTIFIER GT.
|
||||
aggregate_type(X) ::= ARRAY LT type_or_array(A) GT. /* TArray<type> */
|
||||
{
|
||||
NEW_AST_NODE(ZCC_DynArrayType,arr);
|
||||
map->ElementType = A;
|
||||
X = map;
|
||||
}
|
||||
|
||||
aggregate_type(X) ::= CLASS class_restrictor(A). /* class<type> */
|
||||
{
|
||||
NEW_AST_NODE(ZCC_ClassType,cls);
|
||||
cls->Restriction = A;
|
||||
X = cls;
|
||||
}
|
||||
class_restrictor(X) ::= . { X = NULL; }
|
||||
class_restrictor(X) ::= LT dottable_id(A) GT. { X = A; }
|
||||
|
||||
type(X) ::= type_name(A). { X = A; A->ArraySize = NULL; }
|
||||
type(X) ::= aggregate_type(A). { X = A; A->ArraySize = NULL; }
|
||||
|
|
@ -451,17 +506,99 @@ array_size(X) ::= array_size(A) LBRACKET opt_expr(B) RBRACKET.
|
|||
X = A;
|
||||
}
|
||||
|
||||
declarator ::= decl_flags type_list_or_void variables_or_function. /* Multiple type names are only valid for functions. */
|
||||
declarator_no_fun ::= decl_flags type variable_list.
|
||||
%include
|
||||
{
|
||||
struct VarOrFun
|
||||
{
|
||||
ZCC_VarName *VarNames;
|
||||
ZCC_FuncParamDecl *FuncParams;
|
||||
ENamedName FuncName;
|
||||
int FuncFlags;
|
||||
};
|
||||
}
|
||||
%type variables_or_function {VarOrFun}
|
||||
|
||||
variables_or_function ::= IDENTIFIER LPAREN func_params RPAREN func_const opt_func_body. /* Function */
|
||||
variables_or_function ::= variable_list SEMICOLON.
|
||||
/* Multiple type names are only valid for functions. */
|
||||
declarator(X) ::= decl_flags(A) type_list_or_void(B) variables_or_function(C).
|
||||
{
|
||||
if (C.FuncParams == NULL && C.VarNames == NULL)
|
||||
{ // An error. A message was already printed.
|
||||
X = NULL;
|
||||
}
|
||||
else if (C.FuncParams != NULL)
|
||||
{ // A function
|
||||
NEW_AST_NODE(FuncDeclarator, decl);
|
||||
decl->Type = B;
|
||||
decl->Params = C.FuncParams;
|
||||
decl->Name = C.FuncName;
|
||||
decl->Flags = A | C.FuncFlags;
|
||||
X = decl;
|
||||
}
|
||||
else if (B != NULL && B->Sibling == NULL)
|
||||
{ // A variable
|
||||
NEW_AST_NODE(VarDeclarator, decl);
|
||||
decl->Type = B;
|
||||
decl->Names = C.VarNames;
|
||||
decl->Flags = A;
|
||||
X = decl;
|
||||
}
|
||||
else
|
||||
{ // An invalid
|
||||
if (B == NULL)
|
||||
{
|
||||
sc.ScriptMessage("Variables may not be of type void.\n");
|
||||
}
|
||||
else
|
||||
{
|
||||
sc.ScriptMessage("Variables may be of only one type.\n");
|
||||
}
|
||||
X = NULL;
|
||||
}
|
||||
}
|
||||
declarator_no_fun(X) ::= decl_flags(A) type(B) variable_list(C).
|
||||
{
|
||||
NEW_AST_NODE(VarDeclarator, decl);
|
||||
decl->Type = B;
|
||||
decl->Names = C;
|
||||
decl->Flags = A;
|
||||
X = decl;
|
||||
}
|
||||
|
||||
// Need to split it up like this to avoid parsing conflicts.
|
||||
variables_or_function(X) ::= IDENTIFIER(A) LPAREN func_params(B) RPAREN func_const(C) opt_func_body(D). /* Function */
|
||||
{
|
||||
VarOrFun fun;
|
||||
|
||||
fun.VarNames = NULL;
|
||||
fun.FuncParams = B;
|
||||
fun.FuncFlags = C;
|
||||
fun.FuncName = A.Name();
|
||||
fun.FuncBody = D;
|
||||
X = fun;
|
||||
}
|
||||
variables_or_function(X) ::= variable_list(A) SEMICOLON.
|
||||
{
|
||||
VarOrFun var;
|
||||
|
||||
var.VarNames = A;
|
||||
var.FuncParams = NULL;
|
||||
var.FuncFlags = 0;
|
||||
var.FuncName = NAME_None;
|
||||
var.FuncBody = NULL;
|
||||
X = var;
|
||||
}
|
||||
variables_or_function ::= error SEMICOLON.
|
||||
{
|
||||
VarOrFun bad;
|
||||
bad.VarNames = NULL;
|
||||
bad.FuncParams = NULL;
|
||||
bad.FuncFlags = 0;
|
||||
bad.FuncName = NAME_None;
|
||||
bad.Func_Body = NULL;
|
||||
X = bad;
|
||||
}
|
||||
|
||||
/*----- Variable Names -----*/
|
||||
// They get the array size, because that makes it look more like C.
|
||||
// I might still change my mind and stick array sizes with the rest
|
||||
// of the type like C#.
|
||||
|
||||
%type variable_name{ZCC_VarName *}
|
||||
%type variable_list{ZCC_VarName *}
|
||||
|
|
@ -499,8 +636,8 @@ decl_flags(X) ::= decl_flags(A) DEPRECATED. { X = A | ZCC_Deprecated; }
|
|||
func_const ::= .
|
||||
func_const ::= CONST.
|
||||
|
||||
opt_func_body ::= SEMICOLON.
|
||||
opt_func_body ::= function_body.
|
||||
opt_func_body(X) ::= SEMICOLON. { X = NULL; }
|
||||
opt_func_body(X) ::= function_body(A). { X = A; }
|
||||
|
||||
%type func_params {ZCC_FuncParamDecl *}
|
||||
%type func_param_list {ZCC_FuncParamDecl *}
|
||||
|
|
|
|||
|
|
@ -93,15 +93,26 @@ enum EZCCTreeNodeType
|
|||
AST_ConstantDef,
|
||||
};
|
||||
|
||||
enum EZCCIntType
|
||||
enum EZCCBuiltinType
|
||||
{
|
||||
ZCCINT_SInt8,
|
||||
ZCCINT_UInt8,
|
||||
ZCCINT_SInt16,
|
||||
ZCCINT_UInt16,
|
||||
ZCCINT_SInt32,
|
||||
ZCCINT_UInt32,
|
||||
ZCCINT_Auto, // for enums, autoselect appropriately sized int
|
||||
ZCC_SInt8,
|
||||
ZCC_UInt8,
|
||||
ZCC_SInt16,
|
||||
ZCC_UInt16,
|
||||
ZCC_SInt32,
|
||||
ZCC_UInt32,
|
||||
ZCC_IntAuto, // for enums, autoselect appropriately sized int
|
||||
|
||||
ZCC_Bool,
|
||||
ZCC_Float32,
|
||||
ZCC_Float64,
|
||||
ZCC_FloatAuto, // 32-bit in structs/classes, 64-bit everywhere else
|
||||
ZCC_String,
|
||||
ZCC_Vector2,
|
||||
ZCC_Vector3,
|
||||
ZCC_Vector4,
|
||||
ZCC_Name,
|
||||
ZCC_UserType,
|
||||
};
|
||||
|
||||
enum EZCCExprType
|
||||
|
|
@ -293,8 +304,8 @@ struct ZCC_Type : ZCC_TreeNode
|
|||
|
||||
struct ZCC_BasicType : ZCC_Type
|
||||
{
|
||||
PType *Type;
|
||||
ENamedName TypeName;
|
||||
EZCCBuiltinType Type;
|
||||
ZCC_Identifier *UserType;
|
||||
};
|
||||
|
||||
struct ZCC_MapType : ZCC_Type
|
||||
|
|
@ -310,7 +321,24 @@ struct ZCC_DynArrayType : ZCC_Type
|
|||
|
||||
struct ZCC_ClassType : ZCC_Type
|
||||
{
|
||||
ENamedName Restriction;
|
||||
ZCC_Identifier *Restriction;
|
||||
};
|
||||
|
||||
// A variable in a class or struct.
|
||||
struct ZCC_VarDeclarator : ZCC_TreeNode
|
||||
{
|
||||
ZCC_Type *Type;
|
||||
ZCC_VarName *Names;
|
||||
int Flags;
|
||||
};
|
||||
|
||||
// A function in a class.
|
||||
struct ZCC_FuncDeclarator : ZCC_TreeNode
|
||||
{
|
||||
ZCC_Type *Type;
|
||||
ZCC_FuncParamDecl *Params;
|
||||
ENamedName Name;
|
||||
int Flags;
|
||||
};
|
||||
|
||||
struct ZCC_ExprID : ZCC_Expression
|
||||
|
|
|
|||
Loading…
Reference in a new issue