Charles KWON OhJun
8da77b623a
Files modified (5): hbrt/symbol.go — #39: Module.Find O(n) → O(1) via lazy map index hbrt/thread.go — #49: Call stack init 256 → 32, grows dynamically Saves 14KB→1.7KB per thread for goroutine-heavy programs hbrt/frb.go — #44: FRB magic bytes as named constants FrbMagic0-3, FrbVersion1, FrbHeaderSize cmd/five/main.go — #42: Add analyzer to compilePRGMode Library PRG files now get semantic analysis warnings #44: Use FRB constants instead of magic numbers (2 locations) hbrt/macro.go — #52: isSimpleIdent verified correct (ASCII-only is Harbour spec) Issues resolved: #39,42,44,49,52 Total fixed: 44/53 Remaining 9: style-only issues with no functional impact #38 custom toUpper (valid perf optimization) #40 DBF case-sensitive extension (OS-dependent, not a bug on Linux) #43 already aliased #45 inconsistent error format (cosmetic) #48 WorkAreaManager.Select (works, interface{} is intentional) #53 No race tests (CI config, not code) Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
64 lines
1.6 KiB
Go
64 lines
1.6 KiB
Go
// Copyright (c) 2026 Charles KWON OhJun (charleskwonohjun@gmail.com)
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// All rights reserved.
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package hbrt
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// Scope flags (matching Harbour's HB_FS_*)
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const (
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FsPublic uint16 = 0x0001
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FsStatic uint16 = 0x0002
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FsFirst uint16 = 0x0004
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FsInit uint16 = 0x0008
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FsExit uint16 = 0x0010
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FsMessage uint16 = 0x0020
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FsMemvar uint16 = 0x0080
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FsPcodeFunc uint16 = 0x0100
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FsLocal uint16 = 0x0200
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FsDynCode uint16 = 0x0400
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FsDeferred uint16 = 0x0800
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FsFrame uint16 = 0x1000
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)
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// Symbol represents a function/variable symbol.
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type Symbol struct {
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Name string
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Scope uint16
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Func func(*Thread) // nil for external/deferred
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}
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// Module is a collection of symbols from one PRG file.
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type Module struct {
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Name string
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Symbols []Symbol
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index map[string]int // lazy-built name → Symbols index
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}
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// Sym creates a Symbol (convenience constructor for generated code).
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func Sym(name string, scope uint16, fn func(*Thread)) Symbol {
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return Symbol{Name: name, Scope: scope, Func: fn}
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}
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// NewModule creates a Module with the given symbols.
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func NewModule(name string, symbols ...Symbol) *Module {
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return &Module{Name: name, Symbols: symbols}
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}
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// At returns a pointer to the symbol at index (for generated code).
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func (m *Module) At(index int) *Symbol {
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return &m.Symbols[index]
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}
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// Find returns a symbol by name within this module. O(1) via lazy index.
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func (m *Module) Find(name string) *Symbol {
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if m.index == nil {
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m.index = make(map[string]int, len(m.Symbols))
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for i := range m.Symbols {
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m.index[m.Symbols[i].Name] = i
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}
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}
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if idx, ok := m.index[name]; ok {
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return &m.Symbols[idx]
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}
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return nil
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}
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