diff options
Diffstat (limited to 'src/parser/parsers.h')
-rw-r--r-- | src/parser/parsers.h | 736 |
1 files changed, 284 insertions, 452 deletions
diff --git a/src/parser/parsers.h b/src/parser/parsers.h index d162de58c..f36f5ccfb 100644 --- a/src/parser/parsers.h +++ b/src/parser/parsers.h @@ -42,175 +42,128 @@ template<typename Ctx> Result<typename Ctx::MemTypeT> memtype(Ctx&); template<typename Ctx> Result<typename Ctx::GlobalTypeT> globaltype(Ctx&); // Instructions -template<typename Ctx> MaybeResult<typename Ctx::InstrT> foldedBlockinstr(Ctx&); -template<typename Ctx> -MaybeResult<typename Ctx::InstrT> unfoldedBlockinstr(Ctx&); -template<typename Ctx> MaybeResult<typename Ctx::InstrT> blockinstr(Ctx&); -template<typename Ctx> MaybeResult<typename Ctx::InstrT> plaininstr(Ctx&); -template<typename Ctx> MaybeResult<typename Ctx::InstrT> instr(Ctx&); -template<typename Ctx> -Result<typename Ctx::InstrsT> instrs(Ctx&, bool requireFolded = false); -template<typename Ctx> Result<typename Ctx::InstrsT> foldedinstrs(Ctx&); +template<typename Ctx> MaybeResult<> foldedBlockinstr(Ctx&); +template<typename Ctx> MaybeResult<> unfoldedBlockinstr(Ctx&); +template<typename Ctx> MaybeResult<> blockinstr(Ctx&); +template<typename Ctx> MaybeResult<> plaininstr(Ctx&); +template<typename Ctx> MaybeResult<> instr(Ctx&); +template<typename Ctx> Result<> foldedinstrs(Ctx&); +template<typename Ctx> Result<> instrs(Ctx&); template<typename Ctx> Result<typename Ctx::ExprT> expr(Ctx&); template<typename Ctx> Result<typename Ctx::MemargT> memarg(Ctx&, uint32_t); template<typename Ctx> Result<typename Ctx::BlockTypeT> blocktype(Ctx&); -template<typename Ctx> MaybeResult<typename Ctx::InstrT> block(Ctx&, bool); -template<typename Ctx> MaybeResult<typename Ctx::InstrT> ifelse(Ctx&, bool); -template<typename Ctx> -Result<typename Ctx::InstrT> makeUnreachable(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeNop(Ctx&, Index); -template<typename Ctx> -Result<typename Ctx::InstrT> makeBinary(Ctx&, Index, BinaryOp op); -template<typename Ctx> -Result<typename Ctx::InstrT> makeUnary(Ctx&, Index, UnaryOp op); -template<typename Ctx> Result<typename Ctx::InstrT> makeSelect(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeDrop(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeMemorySize(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeMemoryGrow(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeLocalGet(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeLocalTee(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeLocalSet(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeGlobalGet(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeGlobalSet(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeBlock(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeThenOrElse(Ctx&, Index); -template<typename Ctx> -Result<typename Ctx::InstrT> makeConst(Ctx&, Index, Type type); -template<typename Ctx> -Result<typename Ctx::InstrT> +template<typename Ctx> MaybeResult<> block(Ctx&, bool); +template<typename Ctx> MaybeResult<> ifelse(Ctx&, bool); +template<typename Ctx> Result<> makeUnreachable(Ctx&, Index); +template<typename Ctx> Result<> makeNop(Ctx&, Index); +template<typename Ctx> Result<> makeBinary(Ctx&, Index, BinaryOp op); +template<typename Ctx> Result<> makeUnary(Ctx&, Index, UnaryOp op); +template<typename Ctx> Result<> makeSelect(Ctx&, Index); +template<typename Ctx> Result<> makeDrop(Ctx&, Index); +template<typename Ctx> Result<> makeMemorySize(Ctx&, Index); +template<typename Ctx> Result<> makeMemoryGrow(Ctx&, Index); +template<typename Ctx> Result<> makeLocalGet(Ctx&, Index); +template<typename Ctx> Result<> makeLocalTee(Ctx&, Index); +template<typename Ctx> Result<> makeLocalSet(Ctx&, Index); +template<typename Ctx> Result<> makeGlobalGet(Ctx&, Index); +template<typename Ctx> Result<> makeGlobalSet(Ctx&, Index); +template<typename Ctx> Result<> makeBlock(Ctx&, Index); +template<typename Ctx> Result<> makeThenOrElse(Ctx&, Index); +template<typename Ctx> Result<> makeConst(Ctx&, Index, Type type); +template<typename Ctx> +Result<> makeLoad(Ctx&, Index, Type type, bool signed_, int bytes, bool isAtomic); template<typename Ctx> -Result<typename Ctx::InstrT> -makeStore(Ctx&, Index, Type type, int bytes, bool isAtomic); -template<typename Ctx> -Result<typename Ctx::InstrT> -makeAtomicRMW(Ctx&, Index, AtomicRMWOp op, Type type, uint8_t bytes); -template<typename Ctx> -Result<typename Ctx::InstrT> -makeAtomicCmpxchg(Ctx&, Index, Type type, uint8_t bytes); -template<typename Ctx> -Result<typename Ctx::InstrT> makeAtomicWait(Ctx&, Index, Type type); -template<typename Ctx> -Result<typename Ctx::InstrT> makeAtomicNotify(Ctx&, Index); -template<typename Ctx> -Result<typename Ctx::InstrT> makeAtomicFence(Ctx&, Index); -template<typename Ctx> -Result<typename Ctx::InstrT> -makeSIMDExtract(Ctx&, Index, SIMDExtractOp op, size_t lanes); -template<typename Ctx> -Result<typename Ctx::InstrT> -makeSIMDReplace(Ctx&, Index, SIMDReplaceOp op, size_t lanes); -template<typename Ctx> -Result<typename Ctx::InstrT> makeSIMDShuffle(Ctx&, Index); -template<typename Ctx> -Result<typename Ctx::InstrT> makeSIMDTernary(Ctx&, Index, SIMDTernaryOp op); -template<typename Ctx> -Result<typename Ctx::InstrT> makeSIMDShift(Ctx&, Index, SIMDShiftOp op); -template<typename Ctx> -Result<typename Ctx::InstrT> -makeSIMDLoad(Ctx&, Index, SIMDLoadOp op, int bytes); -template<typename Ctx> -Result<typename Ctx::InstrT> -makeSIMDLoadStoreLane(Ctx&, Index, SIMDLoadStoreLaneOp op, int bytes); -template<typename Ctx> Result<typename Ctx::InstrT> makeMemoryInit(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeDataDrop(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeMemoryCopy(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeMemoryFill(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makePop(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeIf(Ctx&, Index); -template<typename Ctx> -Result<typename Ctx::InstrT> makeMaybeBlock(Ctx&, Index, size_t i, Type type); -template<typename Ctx> Result<typename Ctx::InstrT> makeLoop(Ctx&, Index); -template<typename Ctx> -Result<typename Ctx::InstrT> makeCall(Ctx&, Index, bool isReturn); -template<typename Ctx> -Result<typename Ctx::InstrT> makeCallIndirect(Ctx&, Index, bool isReturn); -template<typename Ctx> Result<typename Ctx::InstrT> makeBreak(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeBreakTable(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeReturn(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeRefNull(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeRefIsNull(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeRefFunc(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeRefEq(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeTableGet(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeTableSet(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeTableSize(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeTableGrow(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeTableFill(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeTry(Ctx&, Index); -template<typename Ctx> -Result<typename Ctx::InstrT> -makeTryOrCatchBody(Ctx&, Index, Type type, bool isTry); -template<typename Ctx> Result<typename Ctx::InstrT> makeThrow(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeRethrow(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeTupleMake(Ctx&, Index); -template<typename Ctx> -Result<typename Ctx::InstrT> makeTupleExtract(Ctx&, Index); -template<typename Ctx> -Result<typename Ctx::InstrT> makeCallRef(Ctx&, Index, bool isReturn); -template<typename Ctx> Result<typename Ctx::InstrT> makeRefI31(Ctx&, Index); -template<typename Ctx> -Result<typename Ctx::InstrT> makeI31Get(Ctx&, Index, bool signed_); -template<typename Ctx> Result<typename Ctx::InstrT> makeRefTest(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeRefCast(Ctx&, Index); -template<typename Ctx> -Result<typename Ctx::InstrT> makeBrOnNull(Ctx&, Index, bool onFail = false); -template<typename Ctx> -Result<typename Ctx::InstrT> makeBrOnCast(Ctx&, Index, bool onFail = false); -template<typename Ctx> -Result<typename Ctx::InstrT> makeStructNew(Ctx&, Index, bool default_); -template<typename Ctx> -Result<typename Ctx::InstrT> makeStructGet(Ctx&, Index, bool signed_ = false); -template<typename Ctx> Result<typename Ctx::InstrT> makeStructSet(Ctx&, Index); -template<typename Ctx> -Result<typename Ctx::InstrT> makeArrayNew(Ctx&, Index, bool default_); -template<typename Ctx> -Result<typename Ctx::InstrT> makeArrayNewData(Ctx&, Index); -template<typename Ctx> -Result<typename Ctx::InstrT> makeArrayNewElem(Ctx&, Index); -template<typename Ctx> -Result<typename Ctx::InstrT> makeArrayNewFixed(Ctx&, Index); -template<typename Ctx> -Result<typename Ctx::InstrT> makeArrayGet(Ctx&, Index, bool signed_ = false); -template<typename Ctx> Result<typename Ctx::InstrT> makeArraySet(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeArrayLen(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeArrayCopy(Ctx&, Index); -template<typename Ctx> Result<typename Ctx::InstrT> makeArrayFill(Ctx&, Index); -template<typename Ctx> -Result<typename Ctx::InstrT> makeArrayInitData(Ctx&, Index); -template<typename Ctx> -Result<typename Ctx::InstrT> makeArrayInitElem(Ctx&, Index); -template<typename Ctx> -Result<typename Ctx::InstrT> makeRefAs(Ctx&, Index, RefAsOp op); -template<typename Ctx> -Result<typename Ctx::InstrT> -makeStringNew(Ctx&, Index, StringNewOp op, bool try_); -template<typename Ctx> -Result<typename Ctx::InstrT> makeStringConst(Ctx&, Index); -template<typename Ctx> -Result<typename Ctx::InstrT> makeStringMeasure(Ctx&, Index, StringMeasureOp op); -template<typename Ctx> -Result<typename Ctx::InstrT> makeStringEncode(Ctx&, Index, StringEncodeOp op); -template<typename Ctx> -Result<typename Ctx::InstrT> makeStringConcat(Ctx&, Index); -template<typename Ctx> -Result<typename Ctx::InstrT> makeStringEq(Ctx&, Index, StringEqOp); -template<typename Ctx> -Result<typename Ctx::InstrT> makeStringAs(Ctx&, Index, StringAsOp op); -template<typename Ctx> -Result<typename Ctx::InstrT> makeStringWTF8Advance(Ctx&, Index); -template<typename Ctx> -Result<typename Ctx::InstrT> makeStringWTF16Get(Ctx&, Index); -template<typename Ctx> -Result<typename Ctx::InstrT> makeStringIterNext(Ctx&, Index); -template<typename Ctx> -Result<typename Ctx::InstrT> -makeStringIterMove(Ctx&, Index, StringIterMoveOp op); -template<typename Ctx> -Result<typename Ctx::InstrT> -makeStringSliceWTF(Ctx&, Index, StringSliceWTFOp op); -template<typename Ctx> -Result<typename Ctx::InstrT> makeStringSliceIter(Ctx&, Index); +Result<> makeStore(Ctx&, Index, Type type, int bytes, bool isAtomic); +template<typename Ctx> +Result<> makeAtomicRMW(Ctx&, Index, AtomicRMWOp op, Type type, uint8_t bytes); +template<typename Ctx> +Result<> makeAtomicCmpxchg(Ctx&, Index, Type type, uint8_t bytes); +template<typename Ctx> Result<> makeAtomicWait(Ctx&, Index, Type type); +template<typename Ctx> Result<> makeAtomicNotify(Ctx&, Index); +template<typename Ctx> Result<> makeAtomicFence(Ctx&, Index); +template<typename Ctx> +Result<> makeSIMDExtract(Ctx&, Index, SIMDExtractOp op, size_t lanes); +template<typename Ctx> +Result<> makeSIMDReplace(Ctx&, Index, SIMDReplaceOp op, size_t lanes); +template<typename Ctx> Result<> makeSIMDShuffle(Ctx&, Index); +template<typename Ctx> Result<> makeSIMDTernary(Ctx&, Index, SIMDTernaryOp op); +template<typename Ctx> Result<> makeSIMDShift(Ctx&, Index, SIMDShiftOp op); +template<typename Ctx> +Result<> makeSIMDLoad(Ctx&, Index, SIMDLoadOp op, int bytes); +template<typename Ctx> +Result<> makeSIMDLoadStoreLane(Ctx&, Index, SIMDLoadStoreLaneOp op, int bytes); +template<typename Ctx> Result<> makeMemoryInit(Ctx&, Index); +template<typename Ctx> Result<> makeDataDrop(Ctx&, Index); +template<typename Ctx> Result<> makeMemoryCopy(Ctx&, Index); +template<typename Ctx> Result<> makeMemoryFill(Ctx&, Index); +template<typename Ctx> Result<> makePop(Ctx&, Index); +template<typename Ctx> Result<> makeIf(Ctx&, Index); +template<typename Ctx> +Result<> makeMaybeBlock(Ctx&, Index, size_t i, Type type); +template<typename Ctx> Result<> makeLoop(Ctx&, Index); +template<typename Ctx> Result<> makeCall(Ctx&, Index, bool isReturn); +template<typename Ctx> Result<> makeCallIndirect(Ctx&, Index, bool isReturn); +template<typename Ctx> Result<> makeBreak(Ctx&, Index); +template<typename Ctx> Result<> makeBreakTable(Ctx&, Index); +template<typename Ctx> Result<> makeReturn(Ctx&, Index); +template<typename Ctx> Result<> makeRefNull(Ctx&, Index); +template<typename Ctx> Result<> makeRefIsNull(Ctx&, Index); +template<typename Ctx> Result<> makeRefFunc(Ctx&, Index); +template<typename Ctx> Result<> makeRefEq(Ctx&, Index); +template<typename Ctx> Result<> makeTableGet(Ctx&, Index); +template<typename Ctx> Result<> makeTableSet(Ctx&, Index); +template<typename Ctx> Result<> makeTableSize(Ctx&, Index); +template<typename Ctx> Result<> makeTableGrow(Ctx&, Index); +template<typename Ctx> Result<> makeTableFill(Ctx&, Index); +template<typename Ctx> Result<> makeTry(Ctx&, Index); +template<typename Ctx> +Result<> makeTryOrCatchBody(Ctx&, Index, Type type, bool isTry); +template<typename Ctx> Result<> makeThrow(Ctx&, Index); +template<typename Ctx> Result<> makeRethrow(Ctx&, Index); +template<typename Ctx> Result<> makeTupleMake(Ctx&, Index); +template<typename Ctx> Result<> makeTupleExtract(Ctx&, Index); +template<typename Ctx> Result<> makeCallRef(Ctx&, Index, bool isReturn); +template<typename Ctx> Result<> makeRefI31(Ctx&, Index); +template<typename Ctx> Result<> makeI31Get(Ctx&, Index, bool signed_); +template<typename Ctx> Result<> makeRefTest(Ctx&, Index); +template<typename Ctx> Result<> makeRefCast(Ctx&, Index); +template<typename Ctx> Result<> makeBrOnNull(Ctx&, Index, bool onFail = false); +template<typename Ctx> Result<> makeBrOnCast(Ctx&, Index, bool onFail = false); +template<typename Ctx> Result<> makeStructNew(Ctx&, Index, bool default_); +template<typename Ctx> +Result<> makeStructGet(Ctx&, Index, bool signed_ = false); +template<typename Ctx> Result<> makeStructSet(Ctx&, Index); +template<typename Ctx> Result<> makeArrayNew(Ctx&, Index, bool default_); +template<typename Ctx> Result<> makeArrayNewData(Ctx&, Index); +template<typename Ctx> Result<> makeArrayNewElem(Ctx&, Index); +template<typename Ctx> Result<> makeArrayNewFixed(Ctx&, Index); +template<typename Ctx> Result<> makeArrayGet(Ctx&, Index, bool signed_ = false); +template<typename Ctx> Result<> makeArraySet(Ctx&, Index); +template<typename Ctx> Result<> makeArrayLen(Ctx&, Index); +template<typename Ctx> Result<> makeArrayCopy(Ctx&, Index); +template<typename Ctx> Result<> makeArrayFill(Ctx&, Index); +template<typename Ctx> Result<> makeArrayInitData(Ctx&, Index); +template<typename Ctx> Result<> makeArrayInitElem(Ctx&, Index); +template<typename Ctx> Result<> makeRefAs(Ctx&, Index, RefAsOp op); +template<typename Ctx> +Result<> makeStringNew(Ctx&, Index, StringNewOp op, bool try_); +template<typename Ctx> Result<> makeStringConst(Ctx&, Index); +template<typename Ctx> +Result<> makeStringMeasure(Ctx&, Index, StringMeasureOp op); +template<typename Ctx> +Result<> makeStringEncode(Ctx&, Index, StringEncodeOp op); +template<typename Ctx> Result<> makeStringConcat(Ctx&, Index); +template<typename Ctx> Result<> makeStringEq(Ctx&, Index, StringEqOp); +template<typename Ctx> Result<> makeStringAs(Ctx&, Index, StringAsOp op); +template<typename Ctx> Result<> makeStringWTF8Advance(Ctx&, Index); +template<typename Ctx> Result<> makeStringWTF16Get(Ctx&, Index); +template<typename Ctx> Result<> makeStringIterNext(Ctx&, Index); +template<typename Ctx> +Result<> makeStringIterMove(Ctx&, Index, StringIterMoveOp op); +template<typename Ctx> +Result<> makeStringSliceWTF(Ctx&, Index, StringSliceWTFOp op); +template<typename Ctx> Result<> makeStringSliceIter(Ctx&, Index); // Modules template<typename Ctx> MaybeResult<Index> maybeTypeidx(Ctx& ctx); @@ -592,8 +545,7 @@ template<typename Ctx> Result<typename Ctx::GlobalTypeT> globaltype(Ctx& ctx) { // ============ // blockinstr ::= block | loop | if-else | try-catch -template<typename Ctx> -MaybeResult<typename Ctx::InstrT> foldedBlockinstr(Ctx& ctx) { +template<typename Ctx> MaybeResult<> foldedBlockinstr(Ctx& ctx) { if (auto i = block(ctx, true)) { return i; } @@ -604,8 +556,7 @@ MaybeResult<typename Ctx::InstrT> foldedBlockinstr(Ctx& ctx) { return {}; } -template<typename Ctx> -MaybeResult<typename Ctx::InstrT> unfoldedBlockinstr(Ctx& ctx) { +template<typename Ctx> MaybeResult<> unfoldedBlockinstr(Ctx& ctx) { if (auto i = block(ctx, false)) { return i; } @@ -616,7 +567,7 @@ MaybeResult<typename Ctx::InstrT> unfoldedBlockinstr(Ctx& ctx) { return {}; } -template<typename Ctx> MaybeResult<typename Ctx::InstrT> blockinstr(Ctx& ctx) { +template<typename Ctx> MaybeResult<> blockinstr(Ctx& ctx) { if (auto i = foldedBlockinstr(ctx)) { return i; } @@ -627,7 +578,7 @@ template<typename Ctx> MaybeResult<typename Ctx::InstrT> blockinstr(Ctx& ctx) { } // plaininstr ::= ... all plain instructions ... -template<typename Ctx> MaybeResult<typename Ctx::InstrT> plaininstr(Ctx& ctx) { +template<typename Ctx> MaybeResult<> plaininstr(Ctx& ctx) { auto pos = ctx.in.getPos(); auto keyword = ctx.in.takeKeyword(); if (!keyword) { @@ -640,7 +591,7 @@ template<typename Ctx> MaybeResult<typename Ctx::InstrT> plaininstr(Ctx& ctx) { } // instr ::= plaininstr | blockinstr -template<typename Ctx> MaybeResult<typename Ctx::InstrT> instr(Ctx& ctx) { +template<typename Ctx> MaybeResult<> instr(Ctx& ctx) { // Check for valid strings that are not instructions. if (auto tok = ctx.in.peek()) { if (auto keyword = tok->getKeyword()) { @@ -659,109 +610,84 @@ template<typename Ctx> MaybeResult<typename Ctx::InstrT> instr(Ctx& ctx) { return {}; } -template<typename Ctx> -Result<typename Ctx::InstrsT> instrs(Ctx& ctx, bool requireFolded) { - auto insts = ctx.makeInstrs(); - bool parsedFolded = false; +template<typename Ctx> Result<> foldedinstrs(Ctx& ctx) { + if (auto blockinst = foldedBlockinstr(ctx)) { + CHECK_ERR(blockinst); + return Ok{}; + } + // Parse an arbitrary number of folded instructions. + if (ctx.in.takeLParen()) { + // A stack of (start, end) position pairs defining the positions of + // instructions that need to be parsed after their folded children. + std::vector<std::pair<Index, std::optional<Index>>> foldedInstrs; + + // Begin a folded instruction. Push its start position and a placeholder + // end position. + foldedInstrs.push_back({ctx.in.getPos(), {}}); + while (!foldedInstrs.empty()) { + // Consume everything up to the next paren. This span will be parsed as + // an instruction later after its folded children have been parsed. + if (!ctx.in.takeUntilParen()) { + return ctx.in.err(foldedInstrs.back().first, + "unterminated folded instruction"); + } - while (true) { - if (auto blockinst = foldedBlockinstr(ctx)) { - CHECK_ERR(blockinst); - ctx.appendInstr(insts, *blockinst); - parsedFolded = true; - if (requireFolded) { - // Do not continue to parse another sibling folded instruction. - break; + if (!foldedInstrs.back().second) { + // The folded instruction we just started should end here. + foldedInstrs.back().second = ctx.in.getPos(); } - continue; - } - // Parse an arbitrary number of folded instructions. - if (ctx.in.takeLParen()) { - // A stack of (start, end) position pairs defining the positions of - // instructions that need to be parsed after their folded children. - std::vector<std::pair<Index, std::optional<Index>>> foldedInstrs; - - // Begin a folded instruction. Push its start position and a placeholder - // end position. - foldedInstrs.push_back({ctx.in.getPos(), {}}); - while (!foldedInstrs.empty()) { - // Consume everything up to the next paren. This span will be parsed as - // an instruction later after its folded children have been parsed. - if (!ctx.in.takeUntilParen()) { - return ctx.in.err(foldedInstrs.back().first, - "unterminated folded instruction"); - } - if (!foldedInstrs.back().second) { - // The folded instruction we just started should end here. - foldedInstrs.back().second = ctx.in.getPos(); + // We have either the start of a new folded child or the end of the last + // one. + if (auto blockinst = foldedBlockinstr(ctx)) { + CHECK_ERR(blockinst); + } else if (ctx.in.takeLParen()) { + foldedInstrs.push_back({ctx.in.getPos(), {}}); + } else if (ctx.in.takeRParen()) { + auto [start, end] = foldedInstrs.back(); + assert(end && "Should have found end of instruction"); + foldedInstrs.pop_back(); + + WithPosition with(ctx, start); + if (auto inst = plaininstr(ctx)) { + CHECK_ERR(inst); + } else { + return ctx.in.err(start, "expected folded instruction"); } - // We have either the start of a new folded child or the end of the last - // one. - if (auto blockinst = foldedBlockinstr(ctx)) { - CHECK_ERR(blockinst); - ctx.appendInstr(insts, *blockinst); - parsedFolded = true; - } else if (ctx.in.takeLParen()) { - foldedInstrs.push_back({ctx.in.getPos(), {}}); - } else if (ctx.in.takeRParen()) { - auto [start, end] = foldedInstrs.back(); - assert(end && "Should have found end of instruction"); - foldedInstrs.pop_back(); - - WithPosition with(ctx, start); - if (auto inst = plaininstr(ctx)) { - CHECK_ERR(inst); - ctx.appendInstr(insts, *inst); - parsedFolded = true; - } else { - return ctx.in.err(start, "expected folded instruction"); - } - - if (ctx.in.getPos() != *end) { - return ctx.in.err("expected end of instruction"); - } - } else { - WASM_UNREACHABLE("expected paren"); + if (ctx.in.getPos() != *end) { + return ctx.in.err("expected end of instruction"); } + } else { + WASM_UNREACHABLE("expected paren"); } - if (requireFolded) { - // Do not continue to parse another sibling folded instruction. - break; - } - continue; } + return Ok{}; + } + return ctx.in.err("expected folded instruction"); +} - if (requireFolded) { - // Do not continue to parse a non-folded instruction. - break; +template<typename Ctx> Result<> instrs(Ctx& ctx) { + while (true) { + // Try to parse a folded instruction tree. + if (!foldedinstrs(ctx).getErr()) { + continue; } - // A non-folded instruction. + // Otherwise parse a non-folded instruction. if (auto inst = instr(ctx)) { CHECK_ERR(inst); - ctx.appendInstr(insts, *inst); } else { break; } } - if (requireFolded && !parsedFolded) { - return ctx.in.err("expected folded instructions"); - } - - return ctx.finishInstrs(insts); -} - -template<typename Ctx> Result<typename Ctx::InstrsT> foldedinstrs(Ctx& ctx) { - return instrs(ctx, true); + return Ok{}; } template<typename Ctx> Result<typename Ctx::ExprT> expr(Ctx& ctx) { - auto insts = instrs(ctx); - CHECK_ERR(insts); - return ctx.makeExpr(*insts); + CHECK_ERR(instrs(ctx)); + return ctx.makeExpr(); } // memarg_n ::= o:offset a:align_n @@ -804,8 +730,7 @@ template<typename Ctx> Result<typename Ctx::BlockTypeT> blocktype(Ctx& ctx) { // block ::= 'block' label blocktype instr* 'end' id? if id = {} or id = label // | '(' 'block' label blocktype instr* ')' -template<typename Ctx> -MaybeResult<typename Ctx::InstrT> block(Ctx& ctx, bool folded) { +template<typename Ctx> MaybeResult<> block(Ctx& ctx, bool folded) { auto pos = ctx.in.getPos(); if (folded) { @@ -825,8 +750,7 @@ MaybeResult<typename Ctx::InstrT> block(Ctx& ctx, bool folded) { ctx.makeBlock(pos, label, *type); - auto insts = instrs(ctx); - CHECK_ERR(insts); + CHECK_ERR(instrs(ctx)); if (folded) { if (!ctx.in.takeRParen()) { @@ -842,14 +766,13 @@ MaybeResult<typename Ctx::InstrT> block(Ctx& ctx, bool folded) { } } - return ctx.visitEnd(pos, std::move(*insts)); + return ctx.visitEnd(pos); } // if ::= 'if' label blocktype instr1* ('else' id1? instr2*)? 'end' id2? // | '(' 'if' label blocktype instr* '(' 'then' instr1* ')' // ('(' 'else' instr2* ')')? ')' -template<typename Ctx> -MaybeResult<typename Ctx::InstrT> ifelse(Ctx& ctx, bool folded) { +template<typename Ctx> MaybeResult<> ifelse(Ctx& ctx, bool folded) { auto pos = ctx.in.getPos(); if (folded) { @@ -877,8 +800,7 @@ MaybeResult<typename Ctx::InstrT> ifelse(Ctx& ctx, bool folded) { return ctx.in.err("expected 'then' before if instructions"); } - auto insts = instrs(ctx); - CHECK_ERR(insts); + CHECK_ERR(instrs(ctx)); if (folded && !ctx.in.takeRParen()) { return ctx.in.err("expected ')' at end of then block"); @@ -893,8 +815,7 @@ MaybeResult<typename Ctx::InstrT> ifelse(Ctx& ctx, bool folded) { ctx.visitElse(pos); - auto elseInsts = instrs(ctx); - CHECK_ERR(elseInsts); + CHECK_ERR(instrs(ctx)); if (folded && !ctx.in.takeRParen()) { return ctx.in.err("expected ')' at end of else block"); @@ -916,97 +837,82 @@ MaybeResult<typename Ctx::InstrT> ifelse(Ctx& ctx, bool folded) { return ctx.in.err("end label does not match if label"); } - return ctx.visitEnd(pos, std::move(*insts)); + return ctx.visitEnd(pos); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeUnreachable(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeUnreachable(Ctx& ctx, Index pos) { return ctx.makeUnreachable(pos); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeNop(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeNop(Ctx& ctx, Index pos) { return ctx.makeNop(pos); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeBinary(Ctx& ctx, Index pos, BinaryOp op) { +template<typename Ctx> Result<> makeBinary(Ctx& ctx, Index pos, BinaryOp op) { return ctx.makeBinary(pos, op); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeUnary(Ctx& ctx, Index pos, UnaryOp op) { +template<typename Ctx> Result<> makeUnary(Ctx& ctx, Index pos, UnaryOp op) { return ctx.makeUnary(pos, op); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeSelect(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeSelect(Ctx& ctx, Index pos) { auto res = results(ctx); CHECK_ERR(res); return ctx.makeSelect(pos, res.getPtr()); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeDrop(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeDrop(Ctx& ctx, Index pos) { return ctx.makeDrop(pos); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeMemorySize(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeMemorySize(Ctx& ctx, Index pos) { auto mem = maybeMemidx(ctx); CHECK_ERR(mem); return ctx.makeMemorySize(pos, mem.getPtr()); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeMemoryGrow(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeMemoryGrow(Ctx& ctx, Index pos) { auto mem = maybeMemidx(ctx); CHECK_ERR(mem); return ctx.makeMemoryGrow(pos, mem.getPtr()); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeLocalGet(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeLocalGet(Ctx& ctx, Index pos) { auto local = localidx(ctx); CHECK_ERR(local); return ctx.makeLocalGet(pos, *local); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeLocalTee(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeLocalTee(Ctx& ctx, Index pos) { auto local = localidx(ctx); CHECK_ERR(local); return ctx.makeLocalTee(pos, *local); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeLocalSet(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeLocalSet(Ctx& ctx, Index pos) { auto local = localidx(ctx); CHECK_ERR(local); return ctx.makeLocalSet(pos, *local); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeGlobalGet(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeGlobalGet(Ctx& ctx, Index pos) { auto global = globalidx(ctx); CHECK_ERR(global); return ctx.makeGlobalGet(pos, *global); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeGlobalSet(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeGlobalSet(Ctx& ctx, Index pos) { auto global = globalidx(ctx); CHECK_ERR(global); return ctx.makeGlobalSet(pos, *global); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeBlock(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeBlock(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeConst(Ctx& ctx, Index pos, Type type) { +template<typename Ctx> Result<> makeConst(Ctx& ctx, Index pos, Type type) { assert(type.isBasic()); switch (type.getBasic()) { case Type::i32: @@ -1039,7 +945,7 @@ Result<typename Ctx::InstrT> makeConst(Ctx& ctx, Index pos, Type type) { } template<typename Ctx> -Result<typename Ctx::InstrT> makeLoad( +Result<> makeLoad( Ctx& ctx, Index pos, Type type, bool signed_, int bytes, bool isAtomic) { auto mem = maybeMemidx(ctx); CHECK_ERR(mem); @@ -1049,8 +955,7 @@ Result<typename Ctx::InstrT> makeLoad( } template<typename Ctx> -Result<typename Ctx::InstrT> -makeStore(Ctx& ctx, Index pos, Type type, int bytes, bool isAtomic) { +Result<> makeStore(Ctx& ctx, Index pos, Type type, int bytes, bool isAtomic) { auto mem = maybeMemidx(ctx); CHECK_ERR(mem); auto arg = memarg(ctx, bytes); @@ -1059,7 +964,7 @@ makeStore(Ctx& ctx, Index pos, Type type, int bytes, bool isAtomic) { } template<typename Ctx> -Result<typename Ctx::InstrT> +Result<> makeAtomicRMW(Ctx& ctx, Index pos, AtomicRMWOp op, Type type, uint8_t bytes) { auto mem = maybeMemidx(ctx); CHECK_ERR(mem); @@ -1069,8 +974,7 @@ makeAtomicRMW(Ctx& ctx, Index pos, AtomicRMWOp op, Type type, uint8_t bytes) { } template<typename Ctx> -Result<typename Ctx::InstrT> -makeAtomicCmpxchg(Ctx& ctx, Index pos, Type type, uint8_t bytes) { +Result<> makeAtomicCmpxchg(Ctx& ctx, Index pos, Type type, uint8_t bytes) { auto mem = maybeMemidx(ctx); CHECK_ERR(mem); auto arg = memarg(ctx, bytes); @@ -1078,8 +982,7 @@ makeAtomicCmpxchg(Ctx& ctx, Index pos, Type type, uint8_t bytes) { return ctx.makeAtomicCmpxchg(pos, type, bytes, mem.getPtr(), *arg); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeAtomicWait(Ctx& ctx, Index pos, Type type) { +template<typename Ctx> Result<> makeAtomicWait(Ctx& ctx, Index pos, Type type) { auto mem = maybeMemidx(ctx); CHECK_ERR(mem); auto arg = memarg(ctx, type == Type::i32 ? 4 : 8); @@ -1087,8 +990,7 @@ Result<typename Ctx::InstrT> makeAtomicWait(Ctx& ctx, Index pos, Type type) { return ctx.makeAtomicWait(pos, type, mem.getPtr(), *arg); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeAtomicNotify(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeAtomicNotify(Ctx& ctx, Index pos) { auto mem = maybeMemidx(ctx); CHECK_ERR(mem); auto arg = memarg(ctx, 4); @@ -1096,14 +998,12 @@ Result<typename Ctx::InstrT> makeAtomicNotify(Ctx& ctx, Index pos) { return ctx.makeAtomicNotify(pos, mem.getPtr(), *arg); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeAtomicFence(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeAtomicFence(Ctx& ctx, Index pos) { return ctx.makeAtomicFence(pos); } template<typename Ctx> -Result<typename Ctx::InstrT> -makeSIMDExtract(Ctx& ctx, Index pos, SIMDExtractOp op, size_t) { +Result<> makeSIMDExtract(Ctx& ctx, Index pos, SIMDExtractOp op, size_t) { auto lane = ctx.in.takeU8(); if (!lane) { return ctx.in.err("expected lane index"); @@ -1112,8 +1012,7 @@ makeSIMDExtract(Ctx& ctx, Index pos, SIMDExtractOp op, size_t) { } template<typename Ctx> -Result<typename Ctx::InstrT> -makeSIMDReplace(Ctx& ctx, Index pos, SIMDReplaceOp op, size_t lanes) { +Result<> makeSIMDReplace(Ctx& ctx, Index pos, SIMDReplaceOp op, size_t lanes) { auto lane = ctx.in.takeU8(); if (!lane) { return ctx.in.err("expected lane index"); @@ -1121,8 +1020,7 @@ makeSIMDReplace(Ctx& ctx, Index pos, SIMDReplaceOp op, size_t lanes) { return ctx.makeSIMDReplace(pos, op, *lane); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeSIMDShuffle(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeSIMDShuffle(Ctx& ctx, Index pos) { std::array<uint8_t, 16> lanes; for (int i = 0; i < 16; ++i) { auto lane = ctx.in.takeU8(); @@ -1135,20 +1033,17 @@ Result<typename Ctx::InstrT> makeSIMDShuffle(Ctx& ctx, Index pos) { } template<typename Ctx> -Result<typename Ctx::InstrT> -makeSIMDTernary(Ctx& ctx, Index pos, SIMDTernaryOp op) { +Result<> makeSIMDTernary(Ctx& ctx, Index pos, SIMDTernaryOp op) { return ctx.makeSIMDTernary(pos, op); } template<typename Ctx> -Result<typename Ctx::InstrT> -makeSIMDShift(Ctx& ctx, Index pos, SIMDShiftOp op) { +Result<> makeSIMDShift(Ctx& ctx, Index pos, SIMDShiftOp op) { return ctx.makeSIMDShift(pos, op); } template<typename Ctx> -Result<typename Ctx::InstrT> -makeSIMDLoad(Ctx& ctx, Index pos, SIMDLoadOp op, int bytes) { +Result<> makeSIMDLoad(Ctx& ctx, Index pos, SIMDLoadOp op, int bytes) { auto mem = maybeMemidx(ctx); CHECK_ERR(mem); auto arg = memarg(ctx, bytes); @@ -1157,11 +1052,11 @@ makeSIMDLoad(Ctx& ctx, Index pos, SIMDLoadOp op, int bytes) { } template<typename Ctx> -Result<typename Ctx::InstrT> +Result<> makeSIMDLoadStoreLane(Ctx& ctx, Index pos, SIMDLoadStoreLaneOp op, int bytes) { auto reset = ctx.in.getPos(); - auto retry = [&]() -> Result<typename Ctx::InstrT> { + auto retry = [&]() -> Result<> { // We failed to parse. Maybe the lane index was accidentally parsed as the // optional memory index. Try again without parsing a memory index. WithPosition with(ctx, reset); @@ -1187,11 +1082,10 @@ makeSIMDLoadStoreLane(Ctx& ctx, Index pos, SIMDLoadStoreLaneOp op, int bytes) { return ctx.makeSIMDLoadStoreLane(pos, op, mem.getPtr(), *arg, *lane); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeMemoryInit(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeMemoryInit(Ctx& ctx, Index pos) { auto reset = ctx.in.getPos(); - auto retry = [&]() -> Result<typename Ctx::InstrT> { + auto retry = [&]() -> Result<> { // We failed to parse. Maybe the data index was accidentally parsed as the // optional memory index. Try again without parsing a memory index. WithPosition with(ctx, reset); @@ -1211,15 +1105,13 @@ Result<typename Ctx::InstrT> makeMemoryInit(Ctx& ctx, Index pos) { return ctx.makeMemoryInit(pos, mem.getPtr(), *data); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeDataDrop(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeDataDrop(Ctx& ctx, Index pos) { auto data = dataidx(ctx); CHECK_ERR(data); return ctx.makeDataDrop(pos, *data); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeMemoryCopy(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeMemoryCopy(Ctx& ctx, Index pos) { auto destMem = maybeMemidx(ctx); CHECK_ERR(destMem); std::optional<typename Ctx::MemoryIdxT> srcMem = std::nullopt; @@ -1231,175 +1123,144 @@ Result<typename Ctx::InstrT> makeMemoryCopy(Ctx& ctx, Index pos) { return ctx.makeMemoryCopy(pos, destMem.getPtr(), srcMem ? &*srcMem : nullptr); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeMemoryFill(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeMemoryFill(Ctx& ctx, Index pos) { auto mem = maybeMemidx(ctx); CHECK_ERR(mem); return ctx.makeMemoryFill(pos, mem.getPtr()); } -template<typename Ctx> -Result<typename Ctx::InstrT> makePop(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makePop(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeIf(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeIf(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } template<typename Ctx> -Result<typename Ctx::InstrT> -makeMaybeBlock(Ctx& ctx, Index pos, size_t i, Type type) { +Result<> makeMaybeBlock(Ctx& ctx, Index pos, size_t i, Type type) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeLoop(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeLoop(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeCall(Ctx& ctx, Index pos, bool isReturn) { +template<typename Ctx> Result<> makeCall(Ctx& ctx, Index pos, bool isReturn) { return ctx.in.err("unimplemented instruction"); } template<typename Ctx> -Result<typename Ctx::InstrT> -makeCallIndirect(Ctx& ctx, Index pos, bool isReturn) { +Result<> makeCallIndirect(Ctx& ctx, Index pos, bool isReturn) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeBreak(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeBreak(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeBreakTable(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeBreakTable(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeReturn(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeReturn(Ctx& ctx, Index pos) { return ctx.makeReturn(pos); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeRefNull(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeRefNull(Ctx& ctx, Index pos) { auto t = heaptype(ctx); CHECK_ERR(t); return ctx.makeRefNull(pos, *t); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeRefIsNull(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeRefIsNull(Ctx& ctx, Index pos) { return ctx.makeRefIsNull(pos); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeRefFunc(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeRefFunc(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeRefEq(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeRefEq(Ctx& ctx, Index pos) { return ctx.makeRefEq(pos); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeTableGet(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeTableGet(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeTableSet(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeTableSet(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeTableSize(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeTableSize(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeTableGrow(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeTableGrow(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeTableFill(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeTableFill(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeTry(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeTry(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } template<typename Ctx> -Result<typename Ctx::InstrT> -makeTryOrCatchBody(Ctx& ctx, Index pos, Type type, bool isTry) { +Result<> makeTryOrCatchBody(Ctx& ctx, Index pos, Type type, bool isTry) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeThrow(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeThrow(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeRethrow(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeRethrow(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeTupleMake(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeTupleMake(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeTupleExtract(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeTupleExtract(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } template<typename Ctx> -Result<typename Ctx::InstrT> makeCallRef(Ctx& ctx, Index pos, bool isReturn) { +Result<> makeCallRef(Ctx& ctx, Index pos, bool isReturn) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeRefI31(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeRefI31(Ctx& ctx, Index pos) { return ctx.makeRefI31(pos); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeI31Get(Ctx& ctx, Index pos, bool signed_) { +template<typename Ctx> Result<> makeI31Get(Ctx& ctx, Index pos, bool signed_) { return ctx.makeI31Get(pos, signed_); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeRefTest(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeRefTest(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeRefCast(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeRefCast(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeBrOnNull(Ctx& ctx, Index pos, bool onFail) { +template<typename Ctx> Result<> makeBrOnNull(Ctx& ctx, Index pos, bool onFail) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeBrOnCast(Ctx& ctx, Index pos, bool onFail) { +template<typename Ctx> Result<> makeBrOnCast(Ctx& ctx, Index pos, bool onFail) { return ctx.in.err("unimplemented instruction"); } template<typename Ctx> -Result<typename Ctx::InstrT> makeStructNew(Ctx& ctx, Index pos, bool default_) { +Result<> makeStructNew(Ctx& ctx, Index pos, bool default_) { auto type = typeidx(ctx); CHECK_ERR(type); if (default_) { @@ -1409,7 +1270,7 @@ Result<typename Ctx::InstrT> makeStructNew(Ctx& ctx, Index pos, bool default_) { } template<typename Ctx> -Result<typename Ctx::InstrT> makeStructGet(Ctx& ctx, Index pos, bool signed_) { +Result<> makeStructGet(Ctx& ctx, Index pos, bool signed_) { auto type = typeidx(ctx); CHECK_ERR(type); auto field = fieldidx(ctx, *type); @@ -1417,8 +1278,7 @@ Result<typename Ctx::InstrT> makeStructGet(Ctx& ctx, Index pos, bool signed_) { return ctx.makeStructGet(pos, *type, *field, signed_); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeStructSet(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeStructSet(Ctx& ctx, Index pos) { auto type = typeidx(ctx); CHECK_ERR(type); auto field = fieldidx(ctx, *type); @@ -1427,7 +1287,7 @@ Result<typename Ctx::InstrT> makeStructSet(Ctx& ctx, Index pos) { } template<typename Ctx> -Result<typename Ctx::InstrT> makeArrayNew(Ctx& ctx, Index pos, bool default_) { +Result<> makeArrayNew(Ctx& ctx, Index pos, bool default_) { auto type = typeidx(ctx); CHECK_ERR(type); if (default_) { @@ -1436,8 +1296,7 @@ Result<typename Ctx::InstrT> makeArrayNew(Ctx& ctx, Index pos, bool default_) { return ctx.makeArrayNew(pos, *type); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeArrayNewData(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeArrayNewData(Ctx& ctx, Index pos) { auto type = typeidx(ctx); CHECK_ERR(type); auto data = dataidx(ctx); @@ -1445,8 +1304,7 @@ Result<typename Ctx::InstrT> makeArrayNewData(Ctx& ctx, Index pos) { return ctx.makeArrayNewData(pos, *type, *data); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeArrayNewElem(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeArrayNewElem(Ctx& ctx, Index pos) { auto type = typeidx(ctx); CHECK_ERR(type); auto data = dataidx(ctx); @@ -1454,32 +1312,28 @@ Result<typename Ctx::InstrT> makeArrayNewElem(Ctx& ctx, Index pos) { return ctx.makeArrayNewElem(pos, *type, *data); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeArrayNewFixed(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeArrayNewFixed(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } template<typename Ctx> -Result<typename Ctx::InstrT> makeArrayGet(Ctx& ctx, Index pos, bool signed_) { +Result<> makeArrayGet(Ctx& ctx, Index pos, bool signed_) { auto type = typeidx(ctx); CHECK_ERR(type); return ctx.makeArrayGet(pos, *type, signed_); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeArraySet(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeArraySet(Ctx& ctx, Index pos) { auto type = typeidx(ctx); CHECK_ERR(type); return ctx.makeArraySet(pos, *type); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeArrayLen(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeArrayLen(Ctx& ctx, Index pos) { return ctx.makeArrayLen(pos); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeArrayCopy(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeArrayCopy(Ctx& ctx, Index pos) { auto destType = typeidx(ctx); CHECK_ERR(destType); auto srcType = typeidx(ctx); @@ -1487,95 +1341,80 @@ Result<typename Ctx::InstrT> makeArrayCopy(Ctx& ctx, Index pos) { return ctx.makeArrayCopy(pos, *destType, *srcType); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeArrayFill(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeArrayFill(Ctx& ctx, Index pos) { auto type = typeidx(ctx); CHECK_ERR(type); return ctx.makeArrayFill(pos, *type); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeArrayInitData(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeArrayInitData(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeArrayInitElem(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeArrayInitElem(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeRefAs(Ctx& ctx, Index pos, RefAsOp op) { +template<typename Ctx> Result<> makeRefAs(Ctx& ctx, Index pos, RefAsOp op) { return ctx.in.err("unimplemented instruction"); } template<typename Ctx> -Result<typename Ctx::InstrT> -makeStringNew(Ctx& ctx, Index pos, StringNewOp op, bool try_) { +Result<> makeStringNew(Ctx& ctx, Index pos, StringNewOp op, bool try_) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeStringConst(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeStringConst(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } template<typename Ctx> -Result<typename Ctx::InstrT> -makeStringMeasure(Ctx& ctx, Index pos, StringMeasureOp op) { +Result<> makeStringMeasure(Ctx& ctx, Index pos, StringMeasureOp op) { return ctx.in.err("unimplemented instruction"); } template<typename Ctx> -Result<typename Ctx::InstrT> -makeStringEncode(Ctx& ctx, Index pos, StringEncodeOp op) { +Result<> makeStringEncode(Ctx& ctx, Index pos, StringEncodeOp op) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeStringConcat(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeStringConcat(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } template<typename Ctx> -Result<typename Ctx::InstrT> makeStringEq(Ctx& ctx, Index pos, StringEqOp op) { +Result<> makeStringEq(Ctx& ctx, Index pos, StringEqOp op) { return ctx.in.err("unimplemented instruction"); } template<typename Ctx> -Result<typename Ctx::InstrT> makeStringAs(Ctx& ctx, Index pos, StringAsOp op) { +Result<> makeStringAs(Ctx& ctx, Index pos, StringAsOp op) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeStringWTF8Advance(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeStringWTF8Advance(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeStringWTF16Get(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeStringWTF16Get(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeStringIterNext(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeStringIterNext(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } template<typename Ctx> -Result<typename Ctx::InstrT> -makeStringIterMove(Ctx& ctx, Index pos, StringIterMoveOp op) { +Result<> makeStringIterMove(Ctx& ctx, Index pos, StringIterMoveOp op) { return ctx.in.err("unimplemented instruction"); } template<typename Ctx> -Result<typename Ctx::InstrT> -makeStringSliceWTF(Ctx& ctx, Index pos, StringSliceWTFOp op) { +Result<> makeStringSliceWTF(Ctx& ctx, Index pos, StringSliceWTFOp op) { return ctx.in.err("unimplemented instruction"); } -template<typename Ctx> -Result<typename Ctx::InstrT> makeStringSliceIter(Ctx& ctx, Index pos) { +template<typename Ctx> Result<> makeStringSliceIter(Ctx& ctx, Index pos) { return ctx.in.err("unimplemented instruction"); } @@ -1905,13 +1744,7 @@ template<typename Ctx> MaybeResult<> func(Ctx& ctx) { CHECK_ERR(l); localVars = *l; } - } - - std::optional<typename Ctx::InstrsT> insts; - if (!import) { - auto i = instrs(ctx); - CHECK_ERR(i); - insts = *i; + CHECK_ERR(instrs(ctx)); } if (!ctx.in.takeRParen()) { @@ -1919,7 +1752,7 @@ template<typename Ctx> MaybeResult<> func(Ctx& ctx) { } CHECK_ERR( - ctx.addFunc(name, *exports, import.getPtr(), *type, localVars, insts, pos)); + ctx.addFunc(name, *exports, import.getPtr(), *type, localVars, pos)); return Ok{}; } @@ -2050,9 +1883,8 @@ template<typename Ctx> MaybeResult<> data(Ctx& ctx) { } offset = *e; } else if (ctx.in.takeLParen()) { - auto inst = instr(ctx); - CHECK_ERR(inst); - auto offsetExpr = ctx.instrToExpr(*inst); + CHECK_ERR(instr(ctx)); + auto offsetExpr = ctx.makeExpr(); CHECK_ERR(offsetExpr); offset = *offsetExpr; if (!ctx.in.takeRParen()) { |