https://miasyster.github.io/en/tags/compiler/Recent content in Compiler on AI + Quant EngineeringHugoenWed, 29 Apr 2026 00:00:00 +0000https://miasyster.github.io/en/posts/expression-parser-is-a-compiler/Wed, 29 Apr 2026 00:00:00 +0000https://miasyster.github.io/en/posts/expression-parser-is-a-compiler/QuantGPT’s core is an 870+ line hand-written recursive descent parser supporting 80+ operators, automatic cross-sectional/time-series grouping, and dual-mode compilation. Not because I didn’t know eval() is simpler — but because what eval() can’t do happens to be what matters most.