46 lines
1.8 KiB
C
46 lines
1.8 KiB
C
// obfuscate.h -- Release build name obfuscation
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//
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// Replaces form and control names with generated tokens (C1, C2, ...)
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// across the compiled module AND the raw .frm text resources. This
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// hinders casual decompilation by removing meaningful identifiers
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// from event handler names (e.g., BtnHello_Click -> C3_Click).
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#ifndef DVXBASIC_OBFUSCATE_H
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#define DVXBASIC_OBFUSCATE_H
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#include "../runtime/vm.h"
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// One .frm text after obfuscation (data is newly-allocated).
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typedef struct {
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uint8_t *data;
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int32_t len;
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} BasObfFrmT;
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// Obfuscate form/control names in the module and all .frm texts.
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//
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// Reads original names from the Begin declarations in each .frm,
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// generates C1..Cn, then rewrites:
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// - The .frm text (form/control name declarations, stripping the
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// trailing BASIC code section after the outer form closes)
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// - Module string constants matching any original name
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// - Procedure names matching <OrigName>_<Event>
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// - formVarInfo entries keyed by form name
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//
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// frmTexts / frmLens: input .frm buffers (one per form).
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// outFrms: caller-allocated array of frmCount entries; function fills
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// in .data (malloc'd, caller frees) and .len for each.
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void basObfuscateNames(BasModuleT *mod, const char **frmTexts, const int32_t *frmLens, int32_t frmCount, BasObfFrmT *outFrms);
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// Strip comments from .frm text.
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//
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// Removes both whole-line comments (lines whose first non-whitespace
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// token is `'` or `REM`) and trailing comments (everything from the
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// first unquoted `'` to end of line). Pure-whitespace lines are
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// dropped. Quoted string literals are preserved as-is.
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//
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// srcLen: input length; outBuf: caller-allocated buffer of outCap bytes.
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// Returns the number of bytes written.
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int32_t basStripFrmComments(const char *src, int32_t srcLen, uint8_t *outBuf, int32_t outCap);
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#endif // DVXBASIC_OBFUSCATE_H
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