Charles KWON OhJun
486e466592
Major changes since last commit: - FiveSql2 SQL:1999 engine (10,458 LOC) — 43/43 ALL PASS - 21 compiler/runtime bugs fixed (short-circuit AND/OR, FOR LOOP, etc.) - @byref pass-by-reference via RefCell pattern - Mutable closure capture (EnsureLocalRef + RefCell sharing) - RTL: 400 → 479 functions (+79: file, string, datetime, hash, UTF-8) - DateTime/Timestamp fully working (hb_DateTime, hb_Hour/Min/Sec, display) - Reserved word guard (39 keywords blocked from function calls) - AEval arg order fix (element before index) - Closure capture redecl fix (unique _cap_ names per block) - Hash/string indexing in ArrayPush/ArrayPop - Harbour compat test suite: 51/51 - 4 docs: Porting Report, Implementation Plan, Optimization Plan, Commercialization Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
67 lines
1.3 KiB
Plaintext
67 lines
1.3 KiB
Plaintext
/*
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* TFiveSQL.prg — Main facade class for FiveSql2 engine
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*
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* Uses TSqlParser2 (Pratt parser) exclusively.
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*
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* FiveSql2 — SQL Engine for Harbour DBF/NTX
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*
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* Copyright (c) 2025-2026 Charles KWON (Charles KWON OhJun)
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* Email: charleskwonohjun@gmail.com
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*
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* All rights reserved.
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*/
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#include "hbclass.ch"
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#include "FiveSqlDef.ch"
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CLASS TFiveSQL
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DATA oLexer
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DATA oParser
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DATA oExec
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DATA aParams INIT {}
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METHOD New( aParams ) CONSTRUCTOR
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METHOD Execute( cSQL )
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METHOD ExecuteWith( cSQL, aParams )
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ENDCLASS
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METHOD New( aParams ) CLASS TFiveSQL
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IF aParams != NIL
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::aParams := aParams
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ENDIF
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RETURN SELF
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METHOD Execute( cSQL ) CLASS TFiveSQL
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LOCAL aTokens, hQuery, aResult
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/* Parse — no caching (plan trees are mutated during execution) */
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::oLexer := TSqlLexer():New( cSQL )
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::oLexer:Tokenize()
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aTokens := ::oLexer:GetTokens()
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::oParser := TSqlParser2():New( aTokens, ::aParams )
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hQuery := ::oParser:Parse()
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IF hQuery == NIL
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RETURN { { "__error__" }, { { SQL_ERR_SYNTAX, "Failed to parse SQL", cSQL } } }
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ENDIF
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::oExec := TSqlExecutor():New( hQuery, ::aParams )
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aResult := ::oExec:Run()
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RETURN aResult
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METHOD ExecuteWith( cSQL, aParams ) CLASS TFiveSQL
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::aParams := aParams
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RETURN ::Execute( cSQL )
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