Parse parses src as a single yacc source file fname and returns the corresponding Specification.

ActionValueDlrDlr is used for $$.

ActionValueDlrNum is used for $num.

ActionValueDlrTagDlr is used for $<tag>$.

ActionValueDlrTagNum is used for $<tag>num.

ActionValueGo is used for a Go code fragment.

Action represents data reduced by production: Action: '{' '}'.

ActionValue is an item of Action.Value.

Definition represents data reduced by productions: Definition: START IDENTIFIER | UNION // Case 1 | LCURL RCURL // Case 2 | ReservedWord Tag NameList // Case 3 | ReservedWord Tag // Case 4 | ERROR_VERBOSE // Case 5.

DefinitionList represents data reduced by productions: DefinitionList: /* empty */ | DefinitionList Definition // Case 1.

LiteralStringOpt represents data reduced by productions: LiteralStringOpt: /* empty */ | STRING_LITERAL // Case 1.

Name represents data reduced by productions: Name: IDENTIFIER LiteralStringOpt | IDENTIFIER NUMBER LiteralStringOpt // Case 1.

NameList represents data reduced by productions: NameList: Name | NameList Name // Case 1 | NameList ',' Name // Case 2.

Precedence represents data reduced by productions: Precedence: /* empty */ | PREC IDENTIFIER // Case 1 | PREC IDENTIFIER Action // Case 2 | Precedence ';' // Case 3.

ReservedWord represents data reduced by productions: ReservedWord: TOKEN | LEFT // Case 1 | RIGHT // Case 2 | NONASSOC // Case 3 | TYPE // Case 4 | PRECEDENCE // Case 5.

Rule represents data reduced by productions: Rule: C_IDENTIFIER RuleItemList Precedence | '|' RuleItemList Precedence // Case 1.

RuleItemList represents data reduced by productions: RuleItemList: /* empty */ | RuleItemList IDENTIFIER // Case 1 | RuleItemList Action // Case 2 | RuleItemList STRING_LITERAL // Case 3.

RuleList represents data reduced by productions: RuleList: C_IDENTIFIER RuleItemList Precedence | RuleList Rule // Case 1.

Specification represents data reduced by production: Specification: DefinitionList "%%" RuleList Tail.

Tag represents data reduced by productions: Tag: /* empty */ | '<' IDENTIFIER '>' // Case 1.

Tail represents data reduced by productions: Tail: "%%" | /* empty */ // Case 1.

Token captures a lexem with position, value and comments, if any.

Node represents an AST node.