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decoder table generator (metaprogram) works... will test rest tmrw.

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ed
2026-09-05 00:03:12 -04:00
parent 6a456097ba
commit 28e6e38c92
8 changed files with 390 additions and 214 deletions
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code/8086/info.h
+12 -12
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@@ -45,17 +45,17 @@ typedef Struct_(X8616_InfoMsg) {
/* Static templates use the same <identifier> vocabulary as Duffle's str8_fmt_ktl_buf path.
The decoder itself never expands these. */
RO_ global Str8 x8616_info_templates[x8616_info_count] = {
[x8616_info_none] = str8(""),
[x8616_info_invalid_opcode] = str8("Opcode <actual> is not in the Part 1 8086 decode table at <offset>."),
[x8616_info_invalid_opcode_extension] = str8("Opcode extension <actual> does not match the selected encoding at <offset>."),
[x8616_info_invalid_post_opcode] = str8("Post-opcode byte <actual> does not match expected <expected> at <offset>."),
[x8616_info_truncated_instruction] = str8("Instruction at <offset> needs <expected> bytes; <actual> are available."),
[x8616_info_output_full] = str8("Decoded-instruction output is full: capacity <expected>, produced <actual>."),
[x8616_info_gen_multiple_payloads] = str8("Encoding <offset> describes more than one stream payload."),
[x8616_info_gen_body_cap_exceeded] = str8("Encoding <offset> requires <actual> body bytes; decoder body capacity is <expected>."),
[x8616_info_gen_aux_cap_exceeded] = str8("Generated auxiliary decode table exceeds capacity <expected>."),
[x8616_info_gen_ambiguous_decode] = str8("Decode is ambiguous for opcode/second-byte key <offset>: plans <expected> and <actual>."),
[x8616_info_gen_dispatch_mismatch] = str8("Generated dispatch mismatch for opcode/second-byte key <offset>: expected <expected>, actual <actual>."),
[x8616_info_none] = slit8(""),
[x8616_info_invalid_opcode] = slit8("Opcode <actual> is not in the Part 1 8086 decode table at <offset>."),
[x8616_info_invalid_opcode_extension] = slit8("Opcode extension <actual> does not match the selected encoding at <offset>."),
[x8616_info_invalid_post_opcode] = slit8("Post-opcode byte <actual> does not match expected <expected> at <offset>."),
[x8616_info_truncated_instruction] = slit8("Instruction at <offset> needs <expected> bytes; <actual> are available."),
[x8616_info_output_full] = slit8("Decoded-instruction output is full: capacity <expected>, produced <actual>."),
[x8616_info_gen_multiple_payloads] = slit8("Encoding <offset> describes more than one stream payload."),
[x8616_info_gen_body_cap_exceeded] = slit8("Encoding <offset> requires <actual> body bytes; decoder body capacity is <expected>."),
[x8616_info_gen_aux_cap_exceeded] = slit8("Generated auxiliary decode table exceeds capacity <expected>."),
[x8616_info_gen_ambiguous_decode] = slit8("Decode is ambiguous for opcode/second-byte key <offset>: plans <expected> and <actual>."),
[x8616_info_gen_dispatch_mismatch] = slit8("Generated dispatch mismatch for opcode/second-byte key <offset>: expected <expected>, actual <actual>."),
};
typedef Struct_(X8616_InfoList) {
@@ -67,7 +67,7 @@ typedef Struct_(X8616_InfoList) {
U4 dropped_count;
};
FI_ Str8 x8616_info_template(X8616_InfoCode code) { return code < x8616_info_count ? x8616_info_templates[code] : x8616_info_templates[x8616_info_none]; }
I_ Str8 x8616_info_template(X8616_InfoCode code) { return code < x8616_info_count ? x8616_info_templates[code] : x8616_info_templates[x8616_info_none]; }
FI_ void x8616_info_push(FArena_R scratch
, X8616_InfoList_R list