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Represent enumerations as constant definitions

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- Instead of representating enumeration values with a special node type,
  use the same ZCC_ConstantDef nodes that const_def produces. These are
  created at the same scope as the ZCC_Enum, rather than being contained
  entirely within it. To mark the end of enums for a single instance of
  ZCC_Enum, a ZCC_EnumTerminator node is now appended to the chain of
  ZCC_ConstantDefs.
This commit is contained in:
Randy Heit 2013-09-12 21:39:10 -05:00
commit af8e0f2ba6
3 changed files with 93 additions and 44 deletions
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9
src/zscript/zcc_parser.h
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@ -57,7 +57,7 @@ enum EZCCTreeNodeType
AST_Class,
AST_Struct,
AST_Enum,
AST_EnumNode,
AST_EnumTerminator,
AST_States,
AST_StatePart,
AST_StateLabel,
@ -251,13 +251,11 @@ struct ZCC_Enum : ZCC_TreeNode
{
ENamedName EnumName;
EZCCBuiltinType EnumType;
struct ZCC_EnumNode *Elements;
struct ZCC_ConstantDef *Elements;
};
struct ZCC_EnumNode : ZCC_TreeNode
struct ZCC_EnumTerminator : ZCC_TreeNode
{
ENamedName ElemName;
ZCC_TreeNode *ElemValue;
};
struct ZCC_States : ZCC_TreeNode
@ -478,6 +476,7 @@ struct ZCC_ConstantDef : ZCC_TreeNode
{
ENamedName Name;
ZCC_Expression *Value;
PSymbolConst *Symbol;
};
struct ZCC_Declarator : ZCC_TreeNode