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- Make the ZCC parser compilable again. Does every rule in the grammar that needs to appear in
the AST do so now? That would sure be nice. SVN r2715 (scripting)
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12c6ddfbfb
commit
4b8900816b
2 changed files with 59 additions and 52 deletions
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@ -101,7 +101,8 @@ opt_expr(X) ::= expr(A).
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%type class_definition{ZCC_Class *}
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%type class_head{ZCC_Class *}
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%type class_innards{ZCC_Class *}
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%type class_innards{ZCC_TreeNode *}
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%type class_member{ZCC_TreeNode *}
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%type class_body{ZCC_TreeNode *}
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class_definition(X) ::= class_head(A) class_body(B).
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@ -125,7 +126,7 @@ class_ancestry(X) ::= . { X = NULL; }
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class_ancestry(X) ::= COLON dottable_id(A). { X = A; }
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%type class_flags{ClassFlagsBlock}
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%include{
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%include {
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struct ClassFlagsBlock {
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VM_UWORD Flags;
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ZCC_Identifier *Replaces;
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@ -165,30 +166,29 @@ dottable_id(X) ::= dottable_id(A) DOT IDENTIFIER(B).
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// * constants
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// * defaults
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class_body ::= SEMICOLON class_innards EOF.
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class_body ::= LBRACE class_innards RBRACE.
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class_body(X) ::= SEMICOLON class_innards(A) EOF. { X = A; }
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class_body(X) ::= LBRACE class_innards(A) RBRACE. { X = A; }
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class_innards ::= .
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class_innards ::= class_innards class_member.
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class_innards(X) ::= . { X = NULL; }
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class_innards(X) ::= class_innards(A) class_member(B). { SAFE_APPEND(A,B); X = A; }
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%type struct_def{ZCC_Struct *}
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%type enum_def {ZCC_Enum *}
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%type states_def {ZCC_States *}
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%type const_def {ZCC_ConstantDef *}
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class_member ::= declarator.
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class_member ::= enum_def.
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class_member ::= struct_def.
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class_member ::= states_def.
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class_member ::= default_def.
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class_member ::= const_def.
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class_member(X) ::= declarator(A). { X = A; }
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class_member(X) ::= enum_def(A). { X = A; }
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class_member(X) ::= struct_def(A). { X = A; }
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class_member(X) ::= states_def(A). { X = A; }
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class_member(X) ::= default_def(A). { X = A; }
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class_member(X) ::= const_def(A). { X = A; }
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/*----- Struct Definition -----*/
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/* Structs can define variables and enums. */
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%type struct_body{ZCC_TreeNode *}
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%type struct_member{ZCC_TreeNode *}
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%type declarator_no_fun {ZCC_TreeNode *}
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struct_def(X) ::= STRUCT IDENTIFIER(A) LBRACE struct_body(B) RBRACE opt_semicolon.
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{
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@ -222,7 +222,7 @@ enum_def(X) ::= ENUM IDENTIFIER(A) enum_type(B) LBRACE enum_list(C) opt_comma RB
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X = def;
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}
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enum_type(X) ::= . { X = ZCCINT_Auto; }
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enum_type(X) ::= . { X = ZCC_IntAuto; }
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enum_type(X) ::= COLON int_type(A). { X = A; }
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enum_list(X) ::= error. { X = NULL; }
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@ -255,10 +255,8 @@ enumerator(X) ::= IDENTIFIER(A) EQ expr(B). /* Expression must be constant. */
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%type state_action {ZCC_TreeNode *}
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%type state_call {ZCC_ExprFuncCall *}
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%include
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{
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struct StateOpts
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{
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%include {
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struct StateOpts {
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ZCC_Expression *Offset;
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bool Bright;
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};
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@ -363,7 +361,8 @@ state_call(X) ::= IDENTIFIER(A) func_expr_list(B).
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}
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/* Definition of a default class instance. */
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default_def ::= DEFAULT compound_statement.
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%type default_def {ZCC_CompoundStmt *}
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default_def(X) ::= DEFAULT compound_statement(A). { X = A; }
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/* Type names */
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%type int_type {EZCCBuiltinType}
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@ -396,10 +395,10 @@ type_name(X) ::= type_name1(A).
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type_name(X) ::= IDENTIFIER(A). /* User-defined type (struct, enum, or class) */
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{
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NEW_AST_NODE(BasicType, type);
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NEW_AST_NODE(ZCC_Identifier, id);
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NEW_AST_NODE(Identifier, id);
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type->Type = ZCC_UserType;
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type->UserType = id;
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id->Id = A;
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id->Id = A.Name();
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X = type;
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}
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type_name(X) ::= LBRACKET dottable_id(A) RBRACKET.
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@ -419,7 +418,7 @@ vector_size(X) ::= LT INTCONST(A) GT.
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{
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if (A.Int >= 2 && A.Int <= 4)
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{
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X = ZCC_Vector2 + A.Int - 2;
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X = EZCCBuiltinType(ZCC_Vector2 + A.Int - 2);
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}
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else
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{
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@ -444,7 +443,7 @@ vector_size(X) ::= LT INTCONST(A) GT.
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aggregate_type(X) ::= MAP LT type_or_array(A) COMMA type_or_array(B) GT. /* Hash table */
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{
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NEW_AST_NODE(ZCC_MapType,map);
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NEW_AST_NODE(MapType,map);
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map->KeyType = A;
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map->ValueType = B;
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X = map;
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@ -452,14 +451,14 @@ aggregate_type(X) ::= MAP LT type_or_array(A) COMMA type_or_array(B) GT. /* Hash
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aggregate_type(X) ::= ARRAY LT type_or_array(A) GT. /* TArray<type> */
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{
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NEW_AST_NODE(ZCC_DynArrayType,arr);
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map->ElementType = A;
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X = map;
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NEW_AST_NODE(DynArrayType,arr);
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arr->ElementType = A;
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X = arr;
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}
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aggregate_type(X) ::= CLASS class_restrictor(A). /* class<type> */
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{
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NEW_AST_NODE(ZCC_ClassType,cls);
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NEW_AST_NODE(ClassType,cls);
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cls->Restriction = A;
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X = cls;
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}
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@ -512,6 +511,7 @@ array_size(X) ::= array_size(A) LBRACKET opt_expr(B) RBRACKET.
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{
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ZCC_VarName *VarNames;
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ZCC_FuncParamDecl *FuncParams;
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ZCC_CompoundStmt *FuncBody;
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ENamedName FuncName;
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int FuncFlags;
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};
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@ -534,7 +534,7 @@ declarator(X) ::= decl_flags(A) type_list_or_void(B) variables_or_function(C).
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decl->Flags = A | C.FuncFlags;
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X = decl;
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}
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else if (B != NULL && B->Sibling == NULL)
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else if (B != NULL && B->SiblingNext == B)
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{ // A variable
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NEW_AST_NODE(VarDeclarator, decl);
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decl->Type = B;
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@ -546,11 +546,11 @@ declarator(X) ::= decl_flags(A) type_list_or_void(B) variables_or_function(C).
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{ // An invalid
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if (B == NULL)
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{
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sc.ScriptMessage("Variables may not be of type void.\n");
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stat->sc.ScriptMessage("Variables may not be of type void.\n");
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}
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else
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{
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sc.ScriptMessage("Variables may be of only one type.\n");
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stat->sc.ScriptMessage("Variables may be of only one type.\n");
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}
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X = NULL;
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}
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@ -587,14 +587,14 @@ variables_or_function(X) ::= variable_list(A) SEMICOLON.
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var.FuncBody = NULL;
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X = var;
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}
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variables_or_function ::= error SEMICOLON.
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variables_or_function(X) ::= error SEMICOLON.
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{
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VarOrFun bad;
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bad.VarNames = NULL;
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bad.FuncParams = NULL;
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bad.FuncFlags = 0;
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bad.FuncName = NAME_None;
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bad.Func_Body = NULL;
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bad.FuncBody = NULL;
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X = bad;
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}
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@ -603,6 +603,7 @@ variables_or_function ::= error SEMICOLON.
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%type variable_name{ZCC_VarName *}
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%type variable_list{ZCC_VarName *}
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%type decl_flags{int}
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%type func_const{int}
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variable_name(X) ::= IDENTIFIER(A).
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{
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@ -633,8 +634,8 @@ decl_flags(X) ::= decl_flags(A) ACTION. { X = A | ZCC_Action; }
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decl_flags(X) ::= decl_flags(A) READONLY. { X = A | ZCC_ReadOnly; }
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decl_flags(X) ::= decl_flags(A) DEPRECATED. { X = A | ZCC_Deprecated; }
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func_const ::= .
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func_const ::= CONST.
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func_const(X) ::= . { X = 0; }
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func_const(X) ::= CONST. { X = ZCC_FuncConst; }
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opt_func_body(X) ::= SEMICOLON. { X = NULL; }
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opt_func_body(X) ::= function_body(A). { X = A; }
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@ -31,6 +31,7 @@ enum
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ZCC_Action = 1 << 7,
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ZCC_Deprecated = 1 << 8,
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ZCC_ReadOnly = 1 << 9,
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ZCC_FuncConst = 1 << 10,
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};
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// Function parameter modifiers
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@ -91,6 +92,9 @@ enum EZCCTreeNodeType
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AST_LocalVarStmt,
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AST_FuncParamDecl,
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AST_ConstantDef,
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AST_Declarator,
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AST_VarDeclarator,
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AST_FuncDeclarator,
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};
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enum EZCCBuiltinType
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@ -232,7 +236,7 @@ struct ZCC_Struct : ZCC_TreeNode
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struct ZCC_Enum : ZCC_TreeNode
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{
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ENamedName EnumName;
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EZCCIntType EnumType;
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EZCCBuiltinType EnumType;
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struct ZCC_EnumNode *Elements;
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};
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@ -324,23 +328,6 @@ struct ZCC_ClassType : ZCC_Type
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ZCC_Identifier *Restriction;
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};
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// A variable in a class or struct.
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struct ZCC_VarDeclarator : ZCC_TreeNode
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{
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ZCC_Type *Type;
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ZCC_VarName *Names;
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int Flags;
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};
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// A function in a class.
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struct ZCC_FuncDeclarator : ZCC_TreeNode
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{
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ZCC_Type *Type;
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ZCC_FuncParamDecl *Params;
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ENamedName Name;
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int Flags;
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};
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struct ZCC_ExprID : ZCC_Expression
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{
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ENamedName Identifier;
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@ -481,3 +468,22 @@ struct ZCC_ConstantDef : ZCC_TreeNode
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ENamedName Name;
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ZCC_Expression *Value;
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};
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struct ZCC_Declarator : ZCC_TreeNode
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{
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ZCC_Type *Type;
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int Flags;
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};
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// A variable in a class or struct.
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struct ZCC_VarDeclarator : ZCC_Declarator
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{
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ZCC_VarName *Names;
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};
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// A function in a class.
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struct ZCC_FuncDeclarator : ZCC_Declarator
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{
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ZCC_FuncParamDecl *Params;
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ENamedName Name;
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};
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