daScript/daslib/aot_cpp.das at master · feiyunwill/daScript · GitHub

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options gen2

module aot_cpp private

require strings

require daslib/match

require daslib/strings_boost

require daslib/ast_boost

require daslib/templates_boost

require daslib/linq_boost

require daslib/ast_print_flags

require daslib/aot_constants

options strict_smart_pointers = false

options unsafe_table_lookup = false

// describeCppTypeEx recurses once per type-nesting level; a deeply nested

// function/lambda/tuple type (the fuzzer's, #3065) overflows the default ~16KB stack.

// This bump only governs when aot_cpp is the ROOT program -- the direct `daslang -aot`

// C++ driver compiles it as root (utils/daslang/main.cpp::aot_compile). The CMake/CI

// driver utils/aot/main.das only REQUIRES this module, so getContextStackSize() reads

// the driver's options there; it carries a matching twin bump. Pathological depths

// still overflow and are caught fail-closed (see fail_on_aot_emit_error).

options stack = 1_048_576

def aotFieldName(name : string) : string {

var result = replace(name, "`", "__");

if (is_cpp_keyword(result) || result == "DELETE") {

result = "_f_" + result;

}

return result;

}

var private g_aot_main_module_name = ""

def public set_aot_main_module_name(name : string) {

//! aotModuleName returns this for the unnamed (promoted) main module; "" (the default) leaves its types in an anonymous namespace.

//! Module-global for the process - set it around one emission and restore "".

//! Forwards to the C++ twin so DebugInfoHelper's cached cpp type names agree.

g_aot_main_module_name = name

set_aot_main_module_name_cpp(name)

}

def aotModuleName(pm : Module?) {

if (pm.name.empty()) {

return g_aot_main_module_name;

} elif (pm.name == "$") {

return "_builtin_";

} else {

return string(pm.name);

}

def aotModuleNameFromString(module_name : string) : string {

if (empty(module_name)) {

return g_aot_main_module_name;

} elif (module_name == "$") {

return "_builtin_";

}

return module_name;

}

def isSequencialMask(fields : dasvector`uint8) {

for (i in range(1, length(fields))) {

if (int(fields[i - 1]) + 1 != int(fields[i])) return false;

}

return true;

}

def das_to_cppString(t : Type) { // nolint:STYLE037 - one match arm per Type enum value

match (t) {

if (Type.anyArgument) { return "vec4f"; }

if (Type.tVoid) { return "void"; }

if (Type.tBool) { return "bool"; }

if (Type.tInt8) { return "int8_t"; }

if (Type.tUInt8) { return "uint8_t"; }

if (Type.tInt16) { return "int16_t"; }

if (Type.tUInt16) { return "uint16_t"; }

if (Type.tInt64) { return "int64_t"; }

if (Type.tUInt64) { return "uint64_t"; }

if (Type.tBitfield) { return "Bitfield"; }

if (Type.tBitfield8) { return "Bitfield8"; }

if (Type.tBitfield16) { return "Bitfield16"; }

if (Type.tBitfield64) { return "Bitfield64"; }

if (Type.tString) { return "char *"; }

if (Type.tInt) { return "int32_t"; }

if (Type.tInt2) { return "int2"; }

if (Type.tInt3) { return "int3"; }

if (Type.tInt4) { return "int4"; }

if (Type.tUInt) { return "uint32_t"; }

if (Type.tUInt2) { return "uint2"; }

if (Type.tUInt3) { return "uint3"; }

if (Type.tUInt4) { return "uint4"; }

if (Type.tFloat) { return "float"; }

if (Type.tFloat2) { return "float2"; }

if (Type.tFloat3) { return "float3"; }

if (Type.tFloat4) { return "float4"; }

if (Type.tFloat16) { return "float16_t"; }

if (Type.tHalf2) { return "half2"; }

if (Type.tHalf3) { return "half3"; }

if (Type.tHalf4) { return "half4"; }

if (Type.tHalf8) { return "half8"; }

if (Type.tShort2) { return "short2"; }

if (Type.tShort3) { return "short3"; }

if (Type.tShort4) { return "short4"; }

if (Type.tShort8) { return "short8"; }

if (Type.tUShort2) { return "ushort2"; }

if (Type.tUShort3) { return "ushort3"; }

if (Type.tUShort4) { return "ushort4"; }

if (Type.tUShort8) { return "ushort8"; }

if (Type.tByte2) { return "byte2"; }

if (Type.tByte3) { return "byte3"; }

if (Type.tByte4) { return "byte4"; }

if (Type.tByte8) { return "byte8"; }

if (Type.tByte16) { return "byte16"; }

if (Type.tUByte2) { return "ubyte2"; }

if (Type.tUByte3) { return "ubyte3"; }

if (Type.tUByte4) { return "ubyte4"; }

if (Type.tUByte8) { return "ubyte8"; }

if (Type.tUByte16) { return "ubyte16"; }

if (Type.tDouble) { return "double"; }

if (Type.tRange) { return "range"; }

if (Type.tURange) { return "urange"; }

if (Type.tRange64) { return "range64"; }

if (Type.tURange64) { return "urange64"; }

if (Type.tBlock) { return "Block"; }

if (Type.tFunction) { return "Func"; }

if (Type.tLambda) { return "Lambda"; }

if (Type.tTuple) { return "Tuple"; }

if (Type.tVariant) { return "Variant"; }

}

panic("Missed type {t}")

return ""

}

def das_to_cppCTypeString(t : Type) { // nolint:STYLE037 - one match arm per Type enum value

match (t) {

if (Type.autoinfer) { return "autoinfer"; }

if (Type.alias) { return "alias"; }

if (Type.anyArgument) { return "anyArgument"; }

if (Type.tVoid) { return "tVoid"; }

if (Type.tStructure) { return "tStructure"; }

if (Type.tPointer) { return "tPointer"; }

if (Type.tBool) { return "tBool"; }

if (Type.tInt8) { return "tInt8"; }

if (Type.tUInt8) { return "tUInt8"; }

if (Type.tInt16) { return "tInt16"; }

if (Type.tUInt16) { return "tUInt16"; }

if (Type.tInt64) { return "tInt64"; }

if (Type.tUInt64) { return "tUInt64"; }

if (Type.tString) { return "tString"; }

if (Type.tPointer) { return "tPointer"; }

if (Type.tEnumeration) { return "tEnumeration"; }

if (Type.tEnumeration8) { return "tEnumeration8"; }

if (Type.tEnumeration16) { return "tEnumeration16"; }

if (Type.tEnumeration64) { return "tEnumeration64"; }

if (Type.tBitfield) { return "tBitfield"; }

if (Type.tBitfield8) { return "tBitfield8"; }

if (Type.tBitfield16) { return "tBitfield16"; }

if (Type.tBitfield64) { return "tBitfield64"; }

if (Type.tIterator) { return "tIterator"; }

if (Type.tArray) { return "tArray"; }

if (Type.tTable) { return "tTable"; }

if (Type.tInt) { return "tInt"; }

if (Type.tInt2) { return "tInt2"; }

if (Type.tInt3) { return "tInt3"; }

if (Type.tInt4) { return "tInt4"; }

if (Type.tUInt) { return "tUInt"; }

if (Type.tUInt2) { return "tUInt2"; }

if (Type.tUInt3) { return "tUInt3"; }

if (Type.tUInt4) { return "tUInt4"; }

if (Type.tFloat) { return "tFloat"; }

if (Type.tFloat2) { return "tFloat2"; }

if (Type.tFloat3) { return "tFloat3"; }

if (Type.tFloat4) { return "tFloat4"; }

if (Type.tFloat16) { return "tFloat16"; }

if (Type.tHalf2) { return "tHalf2"; }

if (Type.tHalf3) { return "tHalf3"; }

if (Type.tHalf4) { return "tHalf4"; }

if (Type.tHalf8) { return "tHalf8"; }

if (Type.tShort2) { return "tShort2"; }

if (Type.tShort3) { return "tShort3"; }

if (Type.tShort4) { return "tShort4"; }

if (Type.tShort8) { return "tShort8"; }

if (Type.tUShort2) { return "tUShort2"; }

if (Type.tUShort3) { return "tUShort3"; }

if (Type.tUShort4) { return "tUShort4"; }

if (Type.tUShort8) { return "tUShort8"; }

if (Type.tByte2) { return "tByte2"; }

if (Type.tByte3) { return "tByte3"; }

if (Type.tByte4) { return "tByte4"; }

if (Type.tByte8) { return "tByte8"; }

if (Type.tByte16) { return "tByte16"; }

if (Type.tUByte2) { return "tUByte2"; }

if (Type.tUByte3) { return "tUByte3"; }

if (Type.tUByte4) { return "tUByte4"; }

if (Type.tUByte8) { return "tUByte8"; }

if (Type.tUByte16) { return "tUByte16"; }

if (Type.tDouble) { return "tDouble"; }

if (Type.tRange) { return "tRange"; }

if (Type.tURange) { return "tURange"; }

if (Type.tRange64) { return "tRange64"; }

if (Type.tURange64) { return "tURange64"; }

if (Type.tBlock) { return "tBlock"; }

if (Type.tFunction) { return "tFunction"; }

if (Type.tLambda) { return "tLambda"; }

if (Type.tTuple) { return "tTuple"; }

if (Type.tVariant) { return "tVariant"; }

if (Type.tHandle) { return "tHandle"; }

}

panic("Missed type {t}")

return ""

}

def isConstRedundantForCpp(typeDecl : TypeDeclPtr) {

if (typeDecl.baseType == Type.tFixedArray) return false;

if (typeDecl.isVectorType) return true;

match (typeDecl.baseType) {

if (Type.tBool || Type.tInt8 || Type.tUInt8 || Type.tInt16 || Type.tUInt16 ||

Type.tInt64 || Type.tUInt64 || Type.tInt || Type.tUInt ||

Type.tFloat || Type.tDouble ||

Type.tEnumeration || Type.tEnumeration8 || Type.tEnumeration16 || Type.tEnumeration64 ||

Type.tBitfield || Type.tBitfield8 || Type.tBitfield16 || Type.tBitfield64) {

return true

}

return false

}

enum CpptUseAlias {

//! Controls whether type aliases are used in C++ codegen output.

yes

};

enum CpptSubstitureRef {

//! Controls whether references are substituted in C++ type printing.

yes

};

enum CpptSkipConst {

//! Controls whether const qualifiers are skipped in C++ type printing.

yes

};

struct public DescribeConfig {

//! Configuration for C++ type description printing.

substitute_ref : bool = false

skip_ref : bool = false

skip_const : bool = false

redundant_const : bool = true

cross_platform : bool = false

use_smart_ptr : bool = false

}

def hex_char(var Ch : int) {

Ch &= int(0x0f);

if (Ch <= 9) {

return '0' + Ch;

} else {

return 'a' + (Ch - 10);

}

def aotSuffixNameEx(funcName : das_string; suffix : string; force : bool = false) {

return aotSuffixNameEx(string(funcName), suffix, force);

}

def aotSuffixNameEx(funcName : string; suffix : string; force : bool = false) {

var prefix = force || is_cpp_keyword(funcName);

let name = build_string() $(var writer) { // nolint:STYLE037 - one match arm per C++-illegal identifier character

for (ch in funcName) {

if (is_alnum(ch) || ch == '_') {

writer |> write_char(ch);

} else {

prefix = true;

var t_ch : string;

match (ch) {

if ('=') { t_ch = "Equ"; }

if ('+') { t_ch = "Add"; }

if ('-') { t_ch = "Sub"; }

if ('*') { t_ch = "Mul"; }

if ('/') { t_ch = "Div"; }

if ('%') { t_ch = "Mod"; }

if ('&') { t_ch = "And"; }

if ('|') { t_ch = "Or"; }

if ('^') { t_ch = "Xor"; }

if ('?') { t_ch = "Qmark"; }

if ('~') { t_ch = "Tilda"; }

if ('!') { t_ch = "Excl"; }

if ('>') { t_ch = "Greater"; }

if ('<') { t_ch = "Less"; }

if ('[') { t_ch = "Sqbl"; }

if (']') { t_ch = "Sqbr"; }

if ('.') { t_ch = "Dot"; }

if ('`') { t_ch = "Tick"; }

if (',') { t_ch = "Comma"; }

if (_) {

let repr = build_string() $(ss) {

ss |> write_char(hex_char(ch >> 4))

ss |> write_char(hex_char(ch));

}

t_ch = "_0x{repr}_"

}

write(writer, "{t_ch}")

}

return prefix ? (suffix + name) : name;

}

var private g_struct_enum_collide : table<string>

def private structEnumNsKey(moduleName : string; name : string) : string {

return "{moduleName}::{name}";

}

def private structEnumNsKey(pm : Module?; name : string) : string {

return structEnumNsKey(aotModuleName(pm), name);

}

def buildStructEnumCollisions(program : ProgramPtr) {

g_struct_enum_collide |> clear();

program.get_ptr() |> for_each_module_no_order($(pm) {

var enumNames : table<string>;

pm |> for_each_enumeration($(penum) {

enumNames |> insert(string(penum.name));

});

if (!empty(enumNames)) {

pm |> for_each_structure($(ps) {

if (enumNames |> key_exists(string(ps.name))) {

g_struct_enum_collide |> insert(structEnumNsKey(pm, string(ps.name)));

}

});

}

delete enumNames;

});

}

def aotStructName(st : Structure?) {

let collide = g_struct_enum_collide |> key_exists(structEnumNsKey(st._module, string(st.name)));

return aotSuffixNameEx(st.name, "_S", collide);

}

def aotEnumName(enu : Enumeration?) {

let collide = g_struct_enum_collide |> key_exists(structEnumNsKey(enu._module, string(enu.name)));

return aotSuffixNameEx(enu.name, "_E", collide);

}

def aotEnumValueName(name : das_string) {

return aotSuffixNameEx(name, "_V");

}

def fa_element(t : TypeDeclPtr) {

var e = clone_type(t)

while (e.baseType == Type.tFixedArray && e.firstType != null) {

e = clone_type(e.firstType)

}

return e

}

def describeCppTypeEx(typeDecl : TypeDeclPtr; // nolint:STYLE038 - one arm per C++ type shape; the ladder IS the emitter

in_cfg : DescribeConfig;

useAlias : CpptUseAlias) {

var cfg := in_cfg

if (isConstRedundantForCpp(typeDecl) && cfg.redundant_const) {

if (cfg.substitute_ref && typeDecl.flags.ref) {

} elif (typeDecl.flags.ref) {

} else {

cfg.skip_const = true;

}

let baseType = typeDecl.baseType;

return build_string() $(writer) { // nolint:STYLE037 - one arm per C++ type shape

if (baseType == Type.tFixedArray && typeDecl.firstType != null) {

write(writer, "TDim<{describeCppTypeEx(typeDecl.firstType,DescribeConfig(cross_platform=cfg.cross_platform),useAlias)},{typeDecl.fixedDim}>")

} elif (useAlias == CpptUseAlias.yes && typeDecl.flags.aotAlias && !typeDecl.alias.empty()) {

write(writer, "{typeDecl.alias}");

} elif (baseType == Type.alias) {

write(writer, "DAS_COMMENT(alias)");

} elif (baseType == Type.autoinfer) {

var alias = "";

if (!typeDecl.alias.empty()) {

alias = "({typeDecl.alias})";

}

write(writer, "DAS_COMMENT(auto{alias})")

} elif (baseType == Type.tHandle) {

let handle_name = string(typeDecl.annotation.cppName.empty() ? typeDecl.annotation.name : typeDecl.annotation.cppName)

write(writer, "{handle_name}")

} elif (baseType == Type.tDistinct) {

let dname = typeDecl.annotation != null ? string(typeDecl.annotation.name) : "?"

if (typeDecl.annotation != null && !typeDecl.annotation.cppName.empty()) {

write(writer, "DAS_COMMENT(distinct {dname}) {typeDecl.annotation.cppName}")

} elif (typeDecl.firstType != null) {

let under = describeCppTypeEx(typeDecl.firstType, DescribeConfig(skip_const = true, cross_platform = cfg.cross_platform), useAlias)

write(writer, "DAS_COMMENT(distinct {dname}) {under}")

} else {

write(writer, "DAS_COMMENT(unspecified distinct)")

}

} elif (baseType == Type.tArray) {

if (typeDecl.firstType != null) {

let cpp_typeDecl = describeCppTypeEx(typeDecl.firstType, DescribeConfig(cross_platform = cfg.cross_platform), useAlias);

write(writer, "TArray<{cpp_typeDecl}>")

} else {

write(writer, "Array")

}

} elif (baseType == Type.tTable) {

if (typeDecl.firstType != null && typeDecl.secondType != null) {

let first_type = describeCppTypeEx(typeDecl.firstType, DescribeConfig(skip_const = true, cross_platform = cfg.cross_platform), useAlias);

let second_type = describeCppTypeEx(typeDecl.secondType, DescribeConfig(cross_platform = cfg.cross_platform), useAlias);

write(writer, "TTable<{first_type},{second_type}>");

} else {

write(writer, "Table");

}

} elif (baseType == Type.tTuple) {

let types = (each(typeDecl.argTypes)

._select(describeCppTypeEx(_, DescribeConfig(cross_platform = cfg.cross_platform), useAlias))

.to_array()

._fold()) |> join(",")

if (cfg.cross_platform) {

write(writer, "AutoTuple<{types}>")

} elif (types |> empty()) {

write(writer, "TTuple<{typeDecl.tupleSize}>")

} else {

write(writer, "TTuple<{typeDecl.tupleSize},{types}>")

}

} elif (baseType == Type.tVariant) {

let types = (each(typeDecl.argTypes)

._select(describeCppTypeEx(_, DescribeConfig(cross_platform = cfg.cross_platform), useAlias))

.to_array()

._fold()) |> join(",")

if (cfg.cross_platform) {

write(writer, "AutoVariant<{types}>");

} elif (types |> empty()) {

write(writer, "TVariant<{typeDecl.variantSize},{typeDecl.variantAlign}>")

} else {

write(writer, "TVariant<{typeDecl.variantSize},{typeDecl.variantAlign},{types}>")

}

} elif (baseType == Type.tStructure) {

if (typeDecl.structType != null) {

let ns = aotModuleName(typeDecl.structType._module)

if (ns.empty()) {

write(writer, "struct {aotStructName(typeDecl.structType)}")

} else {

write(writer, "struct {ns}::{aotStructName(typeDecl.structType)}")

}

} else {

write(writer, "DAS_COMMENT(unspecified structure) ");

}

} elif (baseType == Type.tPointer) {

if (!typeDecl.flags.smartPtr) {

if (typeDecl.firstType != null) {

write(writer, "{describeCppTypeEx(typeDecl.firstType,DescribeConfig(redundant_const=false,cross_platform=cfg.cross_platform),useAlias)} *");

} else {

write(writer, "void *");

}

} else {

let ptr_name = typeDecl.flags.smartPtrNative && cfg.use_smart_ptr ? "smart_ptr" : "smart_ptr_raw"

var type_decl_name = "void"

if (typeDecl.firstType != null) {

type_decl_name = describeCppTypeEx(typeDecl.firstType, DescribeConfig(redundant_const = false, cross_platform = cfg.cross_platform), useAlias);

}

write(writer, "{ptr_name}<{type_decl_name}>");

}

} elif (typeDecl.isEnumT) {

if (typeDecl.enumType != null) {

let ns = aotModuleName(typeDecl.enumType._module)

if (typeDecl.enumType.external) {

write(writer, "DAS_COMMENT(bound_enum) {typeDecl.enumType.cppName}");

} elif (ns.empty()) {

write(writer, "DAS_COMMENT(enum) {aotEnumName(typeDecl.enumType)}");

} else {

write(writer, "DAS_COMMENT(enum) {ns}::{aotEnumName(typeDecl.enumType)}")

}

} else {

write(writer, "DAS_COMMENT(unspecified enumeration)")

}

} elif (baseType == Type.tIterator) {

if (typeDecl.firstType != null) {

let new_cfg = DescribeConfig(substitute_ref = cfg.substitute_ref,

skip_ref = cfg.skip_ref,

skip_const = cfg.skip_const,

redundant_const = true,

cross_platform = cfg.cross_platform)

write(writer, "Sequence DAS_COMMENT(({describeCppTypeEx(typeDecl.firstType,new_cfg,useAlias)}))")

} else {

write(writer, "Sequence")

}

} elif (baseType == Type.tBlock || baseType == Type.tFunction || baseType == Type.tLambda) {

let maybe_const = !typeDecl.flags.constant && baseType == Type.tBlock ? "const " : ""

var type_name = "void"

if (typeDecl.firstType != null) {

type_name = describeCppTypeEx(typeDecl.firstType, DescribeConfig(redundant_const = true, cross_platform = cfg.cross_platform), useAlias)

}

let extra_comma = !empty(typeDecl.argTypes) ? "," : "";

let arg_types = (each(typeDecl.argTypes)

._select(describeCppTypeEx(_, DescribeConfig(redundant_const = true, cross_platform = cfg.cross_platform), useAlias))

.to_array()

._fold()) |> join(",")

write(writer, "{maybe_const}{das_to_cppString(baseType)} DAS_COMMENT(({type_name}{extra_comma}{arg_types}))");

} else {

write(writer, das_to_cppString(baseType));

}

if (!cfg.skip_const && typeDecl.flags.constant) {

write(writer, " const ");

}

if (typeDecl.flags.ref && !cfg.skip_ref) {

if (cfg.substitute_ref) {

write(writer, " *");

} else {

write(writer, " &");

}

def public describeCppType(typeDecl : TypeDeclPtr;

cfg : DescribeConfig) {

//! Returns the C++ type string for a daslang TypeDecl using the given configuration.

return describeCppTypeEx(typeDecl, cfg, CpptUseAlias.no);

}

def stackNewName(expr : ExpressionPtr) : string {

return "_stack_new_{expr.at.line:d}_{expr.at.column:d}";

}

def stackNewPointeeType(expr : ExpressionPtr; cross_platform : bool) : string {

if (expr is ExprNew) {

return describeCppType((expr as ExprNew).typeexpr, DescribeConfig(skip_ref = true, skip_const = true, cross_platform = cross_platform));

}

return describeCppType((expr as ExprAscend).subexpr._type, DescribeConfig(skip_ref = true, skip_const = true, cross_platform = cross_platform));

}

def expectsLocalTemp(expr : ExprMakeLocal?) : bool {

if (!expr.makeFlags.doesNotNeedSp && expr.stackTop != 0u) {

if (expr is ExprMakeStruct) {

let mks = expr as ExprMakeStruct

if (mks.makeType.baseType == Type.tHandle

&& !mks.makeType.isRefType

&& mks.constructor == null) return false

}

return true

}

return false

}

class public NoAotMarker : AstVisitor {

//! AST visitor that marks functions containing non-AOT-compatible types as noAot.

//! Run it before anything reads `flags.noAot`. It also mutates the AST: `invoke` of a

//! block literal gets `aotSkipMakeBlock`, and a surviving `quote()` logs an error.

@do_not_delete func : Function? <- null;

def override preVisitTypeDecl(typeDecl : TypeDeclPtr) {

if (func != null && !typeDecl.canAot) {

func.flags.noAot = true

}

def override preVisitFunction(var f : FunctionPtr) {

func = f;

}

def override visitFunction(var that : FunctionPtr) : FunctionPtr {

var tmp := func

func = null;

return <- tmp;

}

def override preVisitExpression(expr : ExpressionPtr) {

if (func != null && expr._type != null && !expr._type.canAot) {

func.flags.noAot = true

}

def override preVisitExprLooksLikeCall(call : ExprLooksLikeCall?) {

if (call.name == "invoke") {

if (!empty(call.arguments) && call.arguments[0] is ExprMakeBlock) {

let mkb = call.arguments[0] as ExprMakeBlock;

var blk = mkb._block as ExprBlock;

blk.blockFlags.aotSkipMakeBlock = true;

}

def override preVisitExprQuote(expr : ExprQuote?) {

if (func != null && !func.flags.noAot) {

func.flags.noAot = true

to_log(LOG_ERROR, "{describe(expr.at)}: quote( ) survived to AOT with aot_macros enabled - daslib/quote lowering did not run; require daslib/templates_boost (or daslib/quote) in the module containing the quote. Function '{func.name}' excluded from AOT.\n")

}

};

class public PrologueMarker : AstVisitor {

//! AST visitor that marks functions requiring a prologue for AOT compilation.

@do_not_delete func : Function? <- null;

def override preVisitFunction(var f : FunctionPtr) {

func = f;

}

def override visitFunction(var that : FunctionPtr) {

func = null;

return <- that;

}

def override preVisitExprMakeBlock(expr : ExprMakeBlock?) {

if (func != null && func.flags.hasMakeBlock) {

let blk = expr._block as ExprBlock;

if (!blk.blockFlags.aotSkipMakeBlock) {

func.flags.aotNeedPrologue = true;

}

};

class UseTypeMarker : AstVisitor {

//! AST visitor that collects structs and enums used in AOT-eligible functions.

useStructs : table<Structure?>;

useEnums : table<Enumeration?>;

def override preVisitTypeDecl(typeDecl : TypeDeclPtr) {

}

def override canVisitFunction(fn : Function?) {

return !fn.flags.noAot;

}

def override preVisitExpression(expr : ExpressionPtr) {

mark(expr._type);

}

def override preVisitFunctionArgument(fn : FunctionPtr; variable : VariablePtr; lastArg : bool) {

mark(variable._type);

}

def override preVisitExprBlockArgument(expr_blk : ExprBlock?; variable : VariablePtr; lastArg : bool) {

mark(variable._type);

}

def override preVisitGlobalLetVariable(variable : Variable?; lastArg : bool) {

mark(variable._type);

}

def mark(decl : TypeDeclPtr) {

if (decl == null) return ;

if (decl.baseType == Type.tStructure) {

assert(decl.structType != null);

if (!(useStructs |> key_exists(decl.structType))) {

useStructs.insert(decl.structType);

for (fld in decl.structType.fields) {

mark(fld._type);

}

} elif (decl.baseType == Type.tEnumeration ||

decl.baseType == Type.tEnumeration8 ||

decl.baseType == Type.tEnumeration16 ||

decl.baseType == Type.tEnumeration64) {

assert(decl.enumType != null);

useEnums.insert(decl.enumType);

} else {

if (decl.firstType != null) mark(decl.firstType);

if (decl.secondType != null) mark(decl.secondType);

for (arg in decl.argTypes) {

mark(arg);

}

};

def enumInfoName(info : EnumInfo?) {

return "__enum_info__{info.hash:x}";

}

def public funcInfoName(info : FuncInfo?) {

//! Returns the C++ identifier name for a function's runtime info based on its hash.

return "__func_info__{info.hash:x}";

}

def structInfoName(info : StructInfo?) {

return "__struct_info__{info.hash:x}";

}

def typeInfoName(info : TypeInfo?) {

return "__type_info__{info.hash:x}";

}

class public DebugVarCache {

//! Cache for deduplicating debug variable declarations in AOT output.

private argNamesCache : table<string; string>

private info2Name : table<string; string>

def emplace(name : string, value : string) : tuple<string, bool> {

let success = !(argNamesCache |> key_exists(value))

if (success) {

argNamesCache |> insert(value, name)

}

var res_val : string;

info2Name |> insert(name, value)

verify(argNamesCache |> get(value) $(val) {

info2Name |> insert(name, val)

res_val = val

})

return tuple(res_val, success)

}

def get(k : string) : string {

return info2Name.get_value(k);

}

def contains(k : string) : bool {

return argNamesCache |> key_exists(k);

}

def empty() : bool {

return argNamesCache |> empty();

}

def clear() {

argNamesCache |> clear();

info2Name |> clear();

}

def private writeAnnotationArgInit(var sb : StringBuilderWriter; arg : AnnotationArgumentInfo) {

if (arg.basicType == Type.tBool) {

write(sb, "AnnotationArgumentInfo(\"{arg.name}\", {arg.bValue})")

} elif (arg.basicType == Type.tString) {

write(sb, "AnnotationArgumentInfo(\"{arg.name}\", \"{escape(arg.sValue)}\")")

} elif (arg.basicType == Type.tInt) {

write(sb, "AnnotationArgumentInfo(\"{arg.name}\", {arg.iValue})")

} elif (arg.basicType == Type.tFloat) {

write(sb, "AnnotationArgumentInfo(\"{arg.name}\", {to_cpp_float(arg.fValue)})")

}

def private writeAnnotationList(var writer : StringBuilderWriter?; info; baseName : string) {

if (info.annotation_count == 0u) return ;

for (ai in range(int(info.annotation_count))) {

unsafe {

let ann & = get_annotation(*info, ai)

if (ann.count > 0u) {

let annArgs = build_string() $(var sb) {

for (gi in range(int(ann.count))) {

if (gi != 0) { write(sb, ", "); }

writeAnnotationArgInit(sb, get_annotation_argument(ann, gi))

}

write(*writer, "AnnotationArgumentInfo {baseName}_ann_{ai}_args[{int(ann.count)}] = \{ {annArgs} \};\n")

}

let anns = build_string() $(var sb) {

for (ai in range(int(info.annotation_count))) {

if (ai != 0) { write(sb, ", "); }

unsafe {

let ann & = get_annotation(*info, ai)

let argsRef = ann.count > 0u ? "{baseName}_ann_{ai}_args" : "nullptr"

write(sb, "AnnotationInfo(\"{ann.name}\", \"{ann.module_name}\", {argsRef}, {int(ann.count)}u)")

}

write(*writer, "AnnotationInfo {baseName}_ann[{int(info.annotation_count)}] = \{ {anns} \};\n")

}

class public AotDebugInfoHelper {

//! Helper for generating debug type and variable information in AOT C++ output.

private info2Name = new DebugVarCache()

private info2TypeName = new DebugVarCache()

private annInfoNames : table<string; string>

helper : DebugInfoHelper? = new DebugInfoHelper(uninitialized)

cross_platform : bool = false

def operator delete {

unsafe { delete helper; }

}

def writeDim(var writer : StringBuilderWriter?; info : TypeInfo?; suffix : string = "") {

if (info.dimSize > 0u) {

let dims = (each(range(info.dimSize))

._select("{unsafe(info.dim[_]):d}")

.to_array()

._fold()) |> join(", ")

write(*writer, "uint32_t {typeInfoName(info)}_dim{suffix}[{info.dimSize:d}] = \{ {dims} \};\n");

}

def writeArgNames(var writer : StringBuilderWriter?; info : TypeInfo?; suffix : string = "") {

if (info.argCount > 0u && info.argNames != null) {

let dims = (each(range(info.argCount))

._select("\"{unsafe(info.argNames[_])}\"")

.to_array()

._fold()) |> join(", ")

let name = "{typeInfoName(info)}_arg_names{suffix}"

let (_, succ) = info2Name.emplace(name, dims)

if (succ) {

write(*writer, "const char * {name}[{info.argCount:d}] = \{ {dims} \};\n");

}

def writeArgTypes(var writer : StringBuilderWriter?; info : TypeInfo?; suffix : string = "") {

if (info.argCount > 0u && info.argTypes != null) {

let dims = (each(range(info.argCount))

._select("&{typeInfoName(unsafe(info.argTypes[_]))}")

.to_array()

._fold()) |> join(", ")

let name = "{typeInfoName(info)}_arg_types{suffix}"

let (_, succ) = info2TypeName.emplace(name, dims)

if (succ) {

write(*writer, "TypeInfo * {name}[{info.argCount:d}] = \{ {dims} \};\n");

}

def str() {

return build_string() $(var writer) {

verify(info2Name.empty() && info2TypeName.empty())

helper |> debug_helper_iter_structs($(_name, ti) {

write(writer, "extern StructInfo {structInfoName(ti)};\n");

});

helper |> debug_helper_iter_types($(_name, ti){

write(writer, "extern TypeInfo {typeInfoName(ti)};\n");

})

write(writer, "\n");

writeHandledAnnotations(unsafe(addr(writer)));

helper |> debug_helper_iter_enums($(_name, ti){

describeCppEnumInfoValues(unsafe(addr(writer)), ti);

write(writer, "EnumInfo {enumInfoName(ti)} = \{ {describeCppEnumInfo(ti)} \};\n");

})

helper |> debug_helper_iter_structs($(_name, ti){

describeCppStructInfoFields(unsafe(addr(writer)), ti);

write(writer, "StructInfo {structInfoName(ti)} = \{{describeCppStructInfo(ti)} \};\n");

})

helper |> debug_helper_iter_funcs($(_name, ti){

describeCppFuncInfoFields(unsafe(addr(writer)), ti);

write(writer, "FuncInfo {funcInfoName(ti)} = \{{describeCppFuncInfo(ti)} \};\n");

})

helper |> debug_helper_iter_types($(_name, ti){

assume wr = unsafe(addr(writer))

writeDim(wr, ti);

writeArgTypes(wr, ti);

writeArgNames(wr, ti);

write(writer, "TypeInfo {typeInfoName(ti)} = \{ {describeCppTypeInfo(ti)} \};\n");

})

write(writer, "\n");

write(writer, "static void resolveTypeInfoAnnotations()\n\{\n");

write(writer, " vector<TypeInfo> annotations = \{")

helper |> debug_helper_iter_types($(_name, ti) {

if (ti._type == Type.tHandle) {

write(writer, "{typeInfoName(ti)}, ");

}

})

write(writer, "\};\n");

write(writer, " for (auto& ann : annotations) \{\n")

write(writer, " ann.resolveAnnotation();\n")

write(writer, " \}\n")

write(writer, "\}\n\n")

info2Name.clear();

info2TypeName.clear();

annInfoNames |> clear()

}

def registerHandledAnnotation(var writer : StringBuilderWriter?; info : TypeInfo?) {

if (info._type != Type.tHandle) return ;

let ann = info.annotation

let key = "{ann._module.name}::{ann.name}"

if (annInfoNames |> key_exists(key)) return ;

let ident = "__handled_ann_{length(annInfoNames)}"

annInfoNames[key] = ident

write(*writer, "AnnotationInfo {ident} = \{ \"{ann.name}\", \"{ann._module.name}\", nullptr, 0u \};\n")

}

def writeHandledAnnotations(var writer : StringBuilderWriter?) {

helper |> debug_helper_iter_types($(_name, ti) {

registerHandledAnnotation(writer, ti);

})

helper |> debug_helper_iter_structs($(_name, si) {

if (si.fields == null) return ;

for (fi in range(si.count)) {

registerHandledAnnotation(writer, unsafe(si.fields[fi]));

}

})

helper |> debug_helper_iter_funcs($(_name, fni) {

if (fni.fields == null) return ;

for (fi in range(fni.count)) {

registerHandledAnnotation(writer, unsafe(fni.fields[fi]));

}

})

}

def annInfoRef(info : TypeInfo?) : string {

let ann = info.annotation

return "&" + annInfoNames.get_value("{ann._module.name}::{ann.name}")

}

def writeVarAnnotationArgs(var writer : StringBuilderWriter?; fld : VarInfo?; arrName : string) {

if (fld.annotation_argument_count == 0u) return ;

let annArgs = build_string() $(var sb) {

for (ai in range(int(fld.annotation_argument_count))) {

if (ai != 0) { write(sb, ", "); }

unsafe {

writeAnnotationArgInit(sb, get_annotation_argument(*fld, ai))

}

write(*writer, "AnnotationArgumentInfo {arrName}[{int(fld.annotation_argument_count)}] = \{ {annArgs} \};\n")

}

def describeCppVarInfo(struct_name : string; info : VarInfo?; suffix : string) {

return build_string() $(writer) {

write(writer, "{describeCppTypeInfo(info, suffix)}, \"{info.name}\", ");

if (cross_platform) {

write(writer, "offsetof({struct_name},{aotFieldName(info.name)}), {info.nextGcField:d}");

} else {

write(writer, "{info.offset:d}, {info.nextGcField:d}")

}

def describeCppVarFuncInfo(struct_name : string; info : VarInfo?; suffix : string) {

return build_string() $(writer) {

write(writer, "{describeCppTypeInfo(info, suffix)}, \"{info.name}\", ");

assert(info.offset == 0u);

write(writer, "0, {info.nextGcField:d}");

}

def describeCppStructInfoFields(var writer : StringBuilderWriter?; info : StructInfo?) {

writeAnnotationList(writer, info, structInfoName(info));

if (info.fields == null) return ;

for (fi in range(info.count)) {

let suffix = "_var_{info.hash:d}";

let fld & = unsafe(info.fields[fi])

writeDim(writer, fld, suffix);

writeArgTypes(writer, fld, suffix);

writeArgNames(writer, fld, suffix);

let ns = aotModuleNameFromString(info.module_name)

let prefix = !empty(ns) ? "{ns}::" : "";

writeVarAnnotationArgs(writer, fld, "{structInfoName(info)}_field_{fi}_ann");

let fldAnnRef = fld.annotation_argument_count > 0u ? ", {structInfoName(info)}_field_{fi}_ann, {int(fld.annotation_argument_count)}u" : ""

let structCppName = aotSuffixNameEx(info.name, "_S",

g_struct_enum_collide |> key_exists(structEnumNsKey(ns, info.name)))

write(*writer, "VarInfo {structInfoName(info)}_field_{fi} = \{ {describeCppVarInfo(prefix + structCppName, fld,suffix)}{fldAnnRef} \};\n");

}

let fields = (each(range(info.count))

._select("&{structInfoName(info)}_field_{_}")

.to_array()

._fold()) |> join(", ")

write(*writer, "VarInfo * {structInfoName(info)}_fields[{info.count:d}] = \{ {fields} \};\n");

}

def describeCppStructInfo(info : StructInfo?) {

return build_string() $(writer) {

write(writer, "\"{info.name}\", \"{info.module_name}\", {int(info.flags):d}, ");

if (info.fields != null) {

write(writer, "{structInfoName(info)}_fields, ")

} else {

write(writer, "nullptr, ")

}

let info_size = cross_platform ? "TypeSize<{helper |> debug_helper_find_struct_cppname(info)}>::size" : "{info.size:d}";

let annRef = info.annotation_count > 0u ? "{structInfoName(info)}_ann" : "nullptr";

write(writer, "{info.count:d}, {info_size}, UINT64_C(0x{info.init_mnh:x}), {annRef}, {int(info.annotation_count)}u, UINT64_C(0x{info.hash:x}), {info.firstGcField:d}")

}

def describeCppFuncInfoFields(var writer : StringBuilderWriter?; info : FuncInfo?) {

writeAnnotationList(writer, info, funcInfoName(info));

if (info.fields == null) return ;

for (fi in range(info.count)) {

let suffix = "_var_{info.hash:d}";

let fld & = unsafe(info.fields[fi])

writeDim(writer, fld, suffix);

writeArgTypes(writer, fld, suffix);

writeArgNames(writer, fld, suffix);

writeVarAnnotationArgs(writer, fld, "{funcInfoName(info)}_field_{fi}_ann");

let fldAnnRef = fld.annotation_argument_count > 0u ? ", {funcInfoName(info)}_field_{fi}_ann, {int(fld.annotation_argument_count)}u" : ""

write(*writer, "VarInfo {funcInfoName(info)}_field_{fi} = \{ {describeCppVarFuncInfo(info.name, fld,suffix)}{fldAnnRef} \};\n");

}

let fields = (each(range(info.count))

._select("&{funcInfoName(info)}_field_{_}")

.to_array()

._fold()) |> join(", ")

write(*writer, "VarInfo * {funcInfoName(info)}_fields[{info.count:d}] = \{ {fields} \};\n");

}

def describeCppFuncInfo(info : FuncInfo?) {

return build_string() $(writer) {

write(writer, "\"{info.name}\", \"{info.cppName}\", ");

if (info.fields != null) {

write(writer, "{funcInfoName(info)}_fields, ")

} else {

write(writer, "nullptr, ")

}

write(writer, "{info.count:d}, {info.stackSize:d}, &{typeInfoName(info.result)}, nullptr,0,UINT64_C(0x{info.hash:x}), 0x{info.flags:x}");

if (info.annotation_count > 0u) {

write(writer, ", {funcInfoName(info)}_ann, {int(info.annotation_count)}u");

}

def describeCppEnumInfoValues(var writer : StringBuilderWriter?; einfo : EnumInfo?) {

for (v in range(einfo.count)) {

let val = unsafe(einfo.fields[v]);

let bits = uint64(val.value)

var cppLit : string

View remainder of file in raw view

daScript/daslib/aot_cpp.das at master · feiyunwill/daScript · GitHub

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