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stage2: populate some of the astgen switch possibilities

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Idea here is simply to entice people to contribute astgen code :)
This commit is contained in:
Andrew Kelley 2020-08-14 19:49:10 -07:00
parent b49d3672f3
commit f356cba704
2 changed files with 63 additions and 9 deletions
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16
lib/std/zig/ast.zig
View File

@ -530,15 +530,15 @@ pub const Node = struct {
// Misc
DocComment,
SwitchCase,
SwitchElse,
Else,
Payload,
PointerPayload,
PointerIndexPayload,
SwitchCase, // TODO make this not a child of AST Node
SwitchElse, // TODO make this not a child of AST Node
Else, // TODO make this not a child of AST Node
Payload, // TODO make this not a child of AST Node
PointerPayload, // TODO make this not a child of AST Node
PointerIndexPayload, // TODO make this not a child of AST Node
ContainerField,
ErrorTag,
FieldInitializer,
ErrorTag, // TODO make this not a child of AST Node
FieldInitializer, // TODO make this not a child of AST Node
pub fn Type(tag: Tag) type {
return switch (tag) {

56
src-self-hosted/astgen.zig
View File

@ -47,7 +47,19 @@ pub fn typeExpr(mod: *Module, scope: *Scope, type_node: *ast.Node) InnerError!*z
/// Turn Zig AST into untyped ZIR istructions.
pub fn expr(mod: *Module, scope: *Scope, rl: ResultLoc, node: *ast.Node) InnerError!*zir.Inst {
switch (node.tag) {
.Root => unreachable, // Top-level declaration.
.Use => unreachable, // Top-level declaration.
.TestDecl => unreachable, // Top-level declaration.
.DocComment => unreachable, // Top-level declaration.
.VarDecl => unreachable, // Handled in `blockExpr`.
.SwitchCase => unreachable, // Handled in `switchExpr`.
.SwitchElse => unreachable, // Handled in `switchExpr`.
.Else => unreachable, // Handled explicitly the control flow expression functions.
.Payload => unreachable, // Handled explicitly.
.PointerPayload => unreachable, // Handled explicitly.
.PointerIndexPayload => unreachable, // Handled explicitly.
.ErrorTag => unreachable, // Handled explicitly.
.FieldInitializer => unreachable, // Handled explicitly.
.Assign => return rlWrapVoid(mod, scope, rl, node, try assign(mod, scope, node.castTag(.Assign).?)),
.AssignBitAnd => return rlWrapVoid(mod, scope, rl, node, try assignOp(mod, scope, node.castTag(.AssignBitAnd).?, .bitand)),
@ -109,7 +121,49 @@ pub fn expr(mod: *Module, scope: *Scope, rl: ResultLoc, node: *ast.Node) InnerEr
.UnwrapOptional => return unwrapOptional(mod, scope, rl, node.castTag(.UnwrapOptional).?),
.Block => return rlWrapVoid(mod, scope, rl, node, try blockExpr(mod, scope, node.castTag(.Block).?)),
.LabeledBlock => return labeledBlockExpr(mod, scope, rl, node.castTag(.LabeledBlock).?),
else => return mod.failNode(scope, node, "TODO implement astgen.Expr for {}", .{@tagName(node.tag)}),
.Defer => return mod.failNode(scope, node, "TODO implement astgen.expr for .Defer", .{}),
.Catch => return mod.failNode(scope, node, "TODO implement astgen.expr for .Catch", .{}),
.BoolAnd => return mod.failNode(scope, node, "TODO implement astgen.expr for .BoolAnd", .{}),
.BoolOr => return mod.failNode(scope, node, "TODO implement astgen.expr for .BoolOr", .{}),
.ErrorUnion => return mod.failNode(scope, node, "TODO implement astgen.expr for .ErrorUnion", .{}),
.MergeErrorSets => return mod.failNode(scope, node, "TODO implement astgen.expr for .MergeErrorSets", .{}),
.Range => return mod.failNode(scope, node, "TODO implement astgen.expr for .Range", .{}),
.OrElse => return mod.failNode(scope, node, "TODO implement astgen.expr for .OrElse", .{}),
.AddressOf => return mod.failNode(scope, node, "TODO implement astgen.expr for .AddressOf", .{}),
.Await => return mod.failNode(scope, node, "TODO implement astgen.expr for .Await", .{}),
.BitNot => return mod.failNode(scope, node, "TODO implement astgen.expr for .BitNot", .{}),
.Negation => return mod.failNode(scope, node, "TODO implement astgen.expr for .Negation", .{}),
.NegationWrap => return mod.failNode(scope, node, "TODO implement astgen.expr for .NegationWrap", .{}),
.Resume => return mod.failNode(scope, node, "TODO implement astgen.expr for .Resume", .{}),
.Try => return mod.failNode(scope, node, "TODO implement astgen.expr for .Try", .{}),
.ArrayType => return mod.failNode(scope, node, "TODO implement astgen.expr for .ArrayType", .{}),
.ArrayTypeSentinel => return mod.failNode(scope, node, "TODO implement astgen.expr for .ArrayTypeSentinel", .{}),
.PtrType => return mod.failNode(scope, node, "TODO implement astgen.expr for .PtrType", .{}),
.SliceType => return mod.failNode(scope, node, "TODO implement astgen.expr for .SliceType", .{}),
.Slice => return mod.failNode(scope, node, "TODO implement astgen.expr for .Slice", .{}),
.ArrayAccess => return mod.failNode(scope, node, "TODO implement astgen.expr for .ArrayAccess", .{}),
.ArrayInitializer => return mod.failNode(scope, node, "TODO implement astgen.expr for .ArrayInitializer", .{}),
.ArrayInitializerDot => return mod.failNode(scope, node, "TODO implement astgen.expr for .ArrayInitializerDot", .{}),
.StructInitializer => return mod.failNode(scope, node, "TODO implement astgen.expr for .StructInitializer", .{}),
.StructInitializerDot => return mod.failNode(scope, node, "TODO implement astgen.expr for .StructInitializerDot", .{}),
.Switch => return mod.failNode(scope, node, "TODO implement astgen.expr for .Switch", .{}),
.For => return mod.failNode(scope, node, "TODO implement astgen.expr for .For", .{}),
.Suspend => return mod.failNode(scope, node, "TODO implement astgen.expr for .Suspend", .{}),
.Continue => return mod.failNode(scope, node, "TODO implement astgen.expr for .Continue", .{}),
.Break => return mod.failNode(scope, node, "TODO implement astgen.expr for .Break", .{}),
.AnyType => return mod.failNode(scope, node, "TODO implement astgen.expr for .AnyType", .{}),
.ErrorType => return mod.failNode(scope, node, "TODO implement astgen.expr for .ErrorType", .{}),
.FnProto => return mod.failNode(scope, node, "TODO implement astgen.expr for .FnProto", .{}),
.AnyFrameType => return mod.failNode(scope, node, "TODO implement astgen.expr for .AnyFrameType", .{}),
.EnumLiteral => return mod.failNode(scope, node, "TODO implement astgen.expr for .EnumLiteral", .{}),
.MultilineStringLiteral => return mod.failNode(scope, node, "TODO implement astgen.expr for .MultilineStringLiteral", .{}),
.CharLiteral => return mod.failNode(scope, node, "TODO implement astgen.expr for .CharLiteral", .{}),
.GroupedExpression => return mod.failNode(scope, node, "TODO implement astgen.expr for .GroupedExpression", .{}),
.ErrorSetDecl => return mod.failNode(scope, node, "TODO implement astgen.expr for .ErrorSetDecl", .{}),
.ContainerDecl => return mod.failNode(scope, node, "TODO implement astgen.expr for .ContainerDecl", .{}),
.Comptime => return mod.failNode(scope, node, "TODO implement astgen.expr for .Comptime", .{}),
.Nosuspend => return mod.failNode(scope, node, "TODO implement astgen.expr for .Nosuspend", .{}),
.ContainerField => return mod.failNode(scope, node, "TODO implement astgen.expr for .ContainerField", .{}),
}
}