Parser

• Parser operation
• Context Free Grammar
• Automaton
• Basic parsing
• Handling alternative productions
• Recursion
• Lookaheads and defaulting
• Parser operation with lookaheads
• Defaulting
• Configuration
• Conflicts
• Types of conflicts
• Conflict context
• Resolving conflicts
• Managing conflicts
• Error handling and recovery
• Error recovery mechanism
• Custom error tokens
• Error recovery and lookahead
• Programing interface
• Basic operation
• Resetting
• Reading input
• Debugging
• Value data
• Code generation options

This section explains principles of parser operation, describes key aspects of parser grammar definition and contains a reference of all Alpag options for parser generation.