2025-02-Compiler/notes/3.md

Syntax Analysis

Context-Free Grammars (CFG)

Parse Tree

A tree representation of the derivation

parse tree has terminals at the leaves, non-terminals at the interior.

An in-order traversal of the leaves is the original input.

• leftmost derivation
• rightmost derivation

Ambiguity

should be resolved

for example: A + B * C should be resolved