2020-01-23 23:04:46 +03:00
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// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
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2019-12-22 04:34:37 +03:00
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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module ast
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2020-04-19 01:07:57 +03:00
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import v.token
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import v.table
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2020-05-10 12:26:57 +03:00
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import v.errors
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2019-12-22 04:34:37 +03:00
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2020-04-25 21:58:00 +03:00
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pub type TypeDecl = AliasTypeDecl | FnTypeDecl | SumTypeDecl
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2020-03-07 19:37:55 +03:00
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2020-06-22 00:09:17 +03:00
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pub type Expr = AnonFn | ArrayInit | AsCast | Assoc | BoolLiteral | CallExpr | CastExpr |
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2020-09-05 13:00:35 +03:00
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ChanInit | CharLiteral | Comment | ComptimeCall | ConcatExpr | EnumVal | FloatLiteral |
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Ident | IfExpr | IfGuardExpr | IndexExpr | InfixExpr | IntegerLiteral | Likely | LockExpr |
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2020-09-22 06:28:29 +03:00
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MapInit | MatchExpr | None | OrExpr | ParExpr | PostfixExpr | PrefixExpr | RangeExpr |
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SelectExpr | SelectorExpr | SizeOf | SqlExpr | StringInterLiteral | StringLiteral | StructInit |
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Type | TypeOf | UnsafeExpr
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2020-05-18 19:08:28 +03:00
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2020-09-18 01:58:54 +03:00
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pub type Stmt = AssertStmt | AssignStmt | Block | BranchStmt | CompFor | ConstDecl | DeferStmt |
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EnumDecl | ExprStmt | FnDecl | ForCStmt | ForInStmt | ForStmt | GlobalDecl | GoStmt |
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GotoLabel | GotoStmt | HashStmt | Import | InterfaceDecl | Module | Return | SqlStmt |
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StructDecl | TypeDecl
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2020-04-04 06:14:40 +03:00
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2020-10-03 08:03:44 +03:00
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pub type ScopeObject = ConstField | GlobalField | Var
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2020-04-04 06:14:40 +03:00
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2020-03-03 17:06:21 +03:00
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pub struct Type {
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2020-03-02 12:53:38 +03:00
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pub:
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2020-03-04 17:48:43 +03:00
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typ table.Type
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2020-04-18 01:19:33 +03:00
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pos token.Position
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2020-03-02 12:53:38 +03:00
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}
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2020-08-02 14:06:44 +03:00
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// `{stmts}` or `unsafe {stmts}`
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2020-03-24 17:44:17 +03:00
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pub struct Block {
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pub:
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2020-08-04 21:10:22 +03:00
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stmts []Stmt
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2020-08-02 14:06:44 +03:00
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is_unsafe bool
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2020-09-30 17:06:22 +03:00
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pos token.Position
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2020-03-24 17:44:17 +03:00
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}
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2020-01-06 18:13:12 +03:00
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// | IncDecStmt k
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2019-12-28 16:11:05 +03:00
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// Stand-alone expression in a statement list.
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pub struct ExprStmt {
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pub:
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2020-07-17 20:13:22 +03:00
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expr Expr
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pos token.Position
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comments []Comment
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is_expr bool
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2020-05-21 23:35:43 +03:00
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pub mut:
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2020-07-17 20:13:22 +03:00
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typ table.Type
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2019-12-28 16:11:05 +03:00
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}
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2019-12-22 04:34:37 +03:00
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2019-12-26 13:21:41 +03:00
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pub struct IntegerLiteral {
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2019-12-26 05:40:18 +03:00
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pub:
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2020-03-17 04:49:15 +03:00
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val string
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2020-04-10 01:09:34 +03:00
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pos token.Position
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2019-12-26 05:40:18 +03:00
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}
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2019-12-24 20:54:43 +03:00
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2019-12-27 12:03:29 +03:00
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pub struct FloatLiteral {
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pub:
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val string
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2020-04-20 15:49:26 +03:00
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pos token.Position
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2019-12-27 12:03:29 +03:00
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}
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2019-12-24 20:54:43 +03:00
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pub struct StringLiteral {
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pub:
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2020-05-19 18:12:47 +03:00
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val string
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is_raw bool
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language table.Language
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pos token.Position
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2019-12-24 20:54:43 +03:00
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}
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2019-12-22 04:34:37 +03:00
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2020-03-21 09:01:06 +03:00
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// 'name: $name'
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pub struct StringInterLiteral {
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pub:
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vals []string
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exprs []Expr
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2020-06-16 11:41:51 +03:00
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fwidths []int
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precisions []int
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pluss []bool
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fills []bool
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fmt_poss []token.Position
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2020-04-10 11:59:07 +03:00
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pos token.Position
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2020-05-09 16:16:48 +03:00
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pub mut:
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2020-03-21 09:01:06 +03:00
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expr_types []table.Type
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2020-06-16 11:41:51 +03:00
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fmts []byte
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need_fmts []bool // an explicit non-default fmt required, e.g. `x`
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2020-03-21 09:01:06 +03:00
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}
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2020-02-04 11:54:15 +03:00
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pub struct CharLiteral {
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pub:
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val string
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2020-04-20 15:49:26 +03:00
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pos token.Position
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2020-02-04 11:54:15 +03:00
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}
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2019-12-29 10:51:55 +03:00
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pub struct BoolLiteral {
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pub:
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val bool
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2020-04-20 15:49:26 +03:00
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pos token.Position
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2019-12-29 10:51:55 +03:00
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}
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2020-01-02 22:09:15 +03:00
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// `foo.bar`
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pub struct SelectorExpr {
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pub:
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2020-05-18 19:06:09 +03:00
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pos token.Position
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2020-08-25 09:48:28 +03:00
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expr Expr // expr.field_name
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2020-05-18 19:06:09 +03:00
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field_name string
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2020-05-09 16:16:48 +03:00
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pub mut:
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2020-06-25 23:23:19 +03:00
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expr_type table.Type // type of `Foo` in `Foo.bar`
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2020-06-27 17:19:12 +03:00
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typ table.Type // type of the entire thing (`Foo.bar`)
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2020-01-02 22:09:15 +03:00
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}
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2019-12-28 13:02:06 +03:00
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// module declaration
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2019-12-28 11:15:32 +03:00
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pub struct Module {
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pub:
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2020-04-19 01:07:57 +03:00
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name string
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path string
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expr Expr
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2020-05-16 17:12:23 +03:00
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pos token.Position
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2020-04-10 23:32:52 +03:00
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is_skipped bool // module main can be skipped in single file programs
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2019-12-28 11:15:32 +03:00
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}
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2020-04-05 03:08:10 +03:00
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pub struct StructField {
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pub:
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2020-04-12 13:35:54 +03:00
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name string
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pos token.Position
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2020-09-11 15:37:14 +03:00
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type_pos token.Position
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2020-06-23 19:01:56 +03:00
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comments []Comment
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2020-04-12 13:35:54 +03:00
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default_expr Expr
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has_default_expr bool
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2020-08-04 21:10:22 +03:00
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attrs []table.Attr
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2020-05-18 19:06:09 +03:00
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is_public bool
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2020-05-09 16:16:48 +03:00
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pub mut:
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2020-04-12 13:35:54 +03:00
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typ table.Type
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2020-04-05 03:08:10 +03:00
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}
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2019-12-30 08:16:59 +03:00
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pub struct Field {
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pub:
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name string
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2020-04-09 16:33:46 +03:00
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pos token.Position
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2020-05-09 16:16:48 +03:00
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pub mut:
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2020-02-10 10:32:08 +03:00
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typ table.Type
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2020-02-03 09:02:54 +03:00
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}
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2020-04-04 06:14:40 +03:00
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pub struct ConstField {
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2020-02-03 09:02:54 +03:00
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pub:
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2020-07-08 14:19:58 +03:00
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mod string
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2020-06-23 19:01:56 +03:00
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name string
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expr Expr
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is_pub bool
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pos token.Position
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2020-05-09 16:16:48 +03:00
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pub mut:
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2020-06-23 19:01:56 +03:00
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typ table.Type
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comments []Comment
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2020-04-04 06:14:40 +03:00
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}
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pub struct ConstDecl {
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pub:
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2020-09-05 13:00:35 +03:00
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is_pub bool
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pos token.Position
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2020-04-27 23:53:26 +03:00
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pub mut:
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2020-09-05 13:00:35 +03:00
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fields []ConstField
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2020-08-27 15:07:49 +03:00
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end_comments []Comment
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2019-12-30 08:16:59 +03:00
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}
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pub struct StructDecl {
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pub:
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2020-06-23 19:01:56 +03:00
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pos token.Position
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name string
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fields []StructField
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is_pub bool
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mut_pos int // mut:
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pub_pos int // pub:
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pub_mut_pos int // pub mut:
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language table.Language
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is_union bool
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2020-08-04 21:10:22 +03:00
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attrs []table.Attr
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2020-06-23 19:01:56 +03:00
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end_comments []Comment
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2019-12-30 08:16:59 +03:00
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}
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2020-03-31 20:59:38 +03:00
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pub struct InterfaceDecl {
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2020-04-05 13:31:39 +03:00
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pub:
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2020-03-31 21:26:15 +03:00
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name string
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field_names []string
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2020-07-14 19:52:28 +03:00
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is_pub bool
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2020-04-22 21:20:49 +03:00
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methods []FnDecl
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2020-05-18 19:06:09 +03:00
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pos token.Position
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2020-03-31 20:59:38 +03:00
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}
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2020-04-17 03:38:39 +03:00
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pub struct StructInitField {
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pub:
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expr Expr
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2020-04-19 01:07:57 +03:00
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pos token.Position
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2020-07-01 21:07:33 +03:00
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comment Comment
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2020-05-09 16:16:48 +03:00
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pub mut:
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2020-04-27 23:53:26 +03:00
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name string
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2020-04-17 03:38:39 +03:00
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typ table.Type
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expected_type table.Type
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}
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2019-12-30 08:16:59 +03:00
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pub struct StructInit {
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pub:
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2020-04-17 03:38:39 +03:00
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pos token.Position
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is_short bool
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2020-05-09 16:16:48 +03:00
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pub mut:
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2020-04-17 03:38:39 +03:00
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typ table.Type
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2020-04-27 23:53:26 +03:00
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fields []StructInitField
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2019-12-30 08:16:59 +03:00
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}
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2019-12-28 11:15:32 +03:00
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// import statement
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pub struct Import {
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pub:
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2020-01-19 01:26:14 +03:00
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pos token.Position
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mod string
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alias string
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2020-07-18 22:34:38 +03:00
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pub mut:
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syms []ImportSymbol
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}
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pub enum ImportSymbolKind {
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fn_
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type_
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}
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pub struct ImportSymbol {
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pub:
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2020-08-04 21:10:22 +03:00
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pos token.Position
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name string
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kind ImportSymbolKind
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2019-12-28 11:15:32 +03:00
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}
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2020-04-17 22:59:19 +03:00
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pub struct AnonFn {
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pub:
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2020-07-14 19:52:28 +03:00
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decl FnDecl
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2020-05-09 16:16:48 +03:00
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pub mut:
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2020-07-14 19:52:28 +03:00
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typ table.Type
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2020-04-17 22:59:19 +03:00
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}
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2019-12-27 15:57:49 +03:00
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pub struct FnDecl {
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pub:
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2020-03-05 18:13:14 +03:00
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name string
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2020-06-11 21:02:27 +03:00
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mod string
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2020-09-27 04:32:56 +03:00
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params []table.Param
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2020-03-05 18:13:14 +03:00
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is_deprecated bool
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is_pub bool
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is_variadic bool
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2020-04-17 22:59:19 +03:00
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is_anon bool
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2020-03-05 18:13:14 +03:00
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receiver Field
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2020-05-07 11:14:51 +03:00
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receiver_pos token.Position
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2020-03-05 18:13:14 +03:00
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is_method bool
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rec_mut bool // is receiver mutable
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2020-07-04 13:44:25 +03:00
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rec_share table.ShareType
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2020-05-19 18:12:47 +03:00
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language table.Language
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2020-03-06 18:31:40 +03:00
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no_body bool // just a definition `fn C.malloc()`
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2020-04-10 19:11:43 +03:00
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is_builtin bool // this function is defined in builtin/strconv
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2020-03-21 21:52:19 +03:00
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pos token.Position
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2020-05-04 13:31:34 +03:00
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body_pos token.Position
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2020-05-03 22:13:40 +03:00
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file string
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2020-05-21 04:58:50 +03:00
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is_generic bool
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2020-08-24 10:04:50 +03:00
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is_direct_arr bool // direct array access
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2020-08-04 21:10:22 +03:00
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attrs []table.Attr
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2020-04-27 23:53:26 +03:00
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pub mut:
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2020-07-08 17:01:17 +03:00
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stmts []Stmt
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2020-04-27 23:53:26 +03:00
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return_type table.Type
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2019-12-29 09:24:17 +03:00
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}
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2020-09-18 02:09:00 +03:00
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// break, continue
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2020-02-04 10:29:50 +03:00
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pub struct BranchStmt {
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pub:
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tok token.Token
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}
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2019-12-29 09:24:17 +03:00
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pub struct CallExpr {
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pub:
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2020-04-09 16:33:46 +03:00
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pos token.Position
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left Expr // `user` in `user.register()`
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mod string
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2020-05-09 16:16:48 +03:00
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pub mut:
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2020-04-09 16:33:46 +03:00
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name string
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2020-04-27 23:53:26 +03:00
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is_method bool
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2020-07-13 21:04:16 +03:00
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is_field bool // temp hack, remove ASAP when re-impl CallExpr / Selector (joe)
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2020-04-09 16:33:46 +03:00
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args []CallArg
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2020-04-03 16:18:17 +03:00
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expected_arg_types []table.Type
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2020-05-19 18:12:47 +03:00
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language table.Language
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2020-04-09 16:33:46 +03:00
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or_block OrExpr
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left_type table.Type // type of `user`
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receiver_type table.Type // User
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return_type table.Type
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2020-04-25 16:57:11 +03:00
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should_be_skipped bool
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2020-05-21 04:58:50 +03:00
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generic_type table.Type // TODO array, to support multiple types
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2020-10-14 14:23:58 +03:00
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// autofree_pregen string
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2020-09-05 13:00:35 +03:00
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// autofree_vars []AutofreeArgVar
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// autofree_vars_ids []int
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2020-03-14 13:11:43 +03:00
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}
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|
|
2020-09-05 13:00:35 +03:00
|
|
|
/*
|
|
|
|
pub struct AutofreeArgVar {
|
|
|
|
name string
|
|
|
|
idx int
|
|
|
|
}
|
|
|
|
*/
|
2020-03-14 13:11:43 +03:00
|
|
|
pub struct CallArg {
|
|
|
|
pub:
|
2020-09-05 13:00:35 +03:00
|
|
|
is_mut bool
|
|
|
|
share table.ShareType
|
|
|
|
expr Expr
|
|
|
|
comments []Comment
|
2020-05-09 16:16:48 +03:00
|
|
|
pub mut:
|
2020-09-05 13:00:35 +03:00
|
|
|
typ table.Type
|
2020-09-06 14:02:29 +03:00
|
|
|
is_tmp_autofree bool
|
2020-09-05 13:00:35 +03:00
|
|
|
// tmp_name string // for autofree
|
2019-12-27 15:57:49 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
pub struct Return {
|
|
|
|
pub:
|
2020-07-17 20:13:22 +03:00
|
|
|
pos token.Position
|
|
|
|
exprs []Expr
|
|
|
|
comments []Comment
|
2020-05-09 16:16:48 +03:00
|
|
|
pub mut:
|
2020-07-17 20:13:22 +03:00
|
|
|
types []table.Type
|
2019-12-27 15:57:49 +03:00
|
|
|
}
|
|
|
|
|
2019-12-22 04:34:37 +03:00
|
|
|
/*
|
|
|
|
pub enum Expr {
|
2020-01-22 23:34:38 +03:00
|
|
|
Binary(InfixExpr)
|
2019-12-22 04:34:37 +03:00
|
|
|
If(IfExpr)
|
|
|
|
Integer(IntegerExpr)
|
|
|
|
}
|
|
|
|
*/
|
2019-12-24 20:54:43 +03:00
|
|
|
/*
|
2019-12-22 04:34:37 +03:00
|
|
|
pub struct Stmt {
|
|
|
|
pos int
|
|
|
|
//end int
|
|
|
|
}
|
2019-12-24 20:54:43 +03:00
|
|
|
*/
|
2020-03-10 14:01:37 +03:00
|
|
|
pub struct Var {
|
2019-12-24 20:54:43 +03:00
|
|
|
pub:
|
2020-06-02 10:00:51 +03:00
|
|
|
name string
|
|
|
|
expr Expr
|
2020-07-04 13:44:25 +03:00
|
|
|
share table.ShareType
|
2020-06-02 10:00:51 +03:00
|
|
|
is_mut bool
|
|
|
|
is_arg bool // fn args should not be autofreed
|
2020-05-09 16:16:48 +03:00
|
|
|
pub mut:
|
2020-06-02 10:00:51 +03:00
|
|
|
typ table.Type
|
|
|
|
pos token.Position
|
|
|
|
is_used bool
|
|
|
|
is_changed bool // to detect mutable vars that are never changed
|
2019-12-24 20:54:43 +03:00
|
|
|
}
|
|
|
|
|
2020-10-03 08:03:44 +03:00
|
|
|
pub struct GlobalField {
|
2020-02-03 09:02:54 +03:00
|
|
|
pub:
|
2020-04-09 16:33:46 +03:00
|
|
|
name string
|
|
|
|
expr Expr
|
2020-04-07 19:51:39 +03:00
|
|
|
has_expr bool
|
2020-05-16 17:12:23 +03:00
|
|
|
pos token.Position
|
2020-05-09 16:16:48 +03:00
|
|
|
pub mut:
|
2020-04-09 16:33:46 +03:00
|
|
|
typ table.Type
|
2020-10-03 08:03:44 +03:00
|
|
|
comments []Comment
|
|
|
|
}
|
|
|
|
|
|
|
|
pub struct GlobalDecl {
|
|
|
|
pub:
|
|
|
|
pos token.Position
|
|
|
|
pub mut:
|
|
|
|
fields []GlobalField
|
|
|
|
end_comments []Comment
|
2020-02-03 09:02:54 +03:00
|
|
|
}
|
|
|
|
|
2019-12-30 14:10:46 +03:00
|
|
|
pub struct File {
|
2019-12-24 20:54:43 +03:00
|
|
|
pub:
|
2020-04-09 16:33:46 +03:00
|
|
|
path string
|
|
|
|
mod Module
|
2020-04-04 06:14:40 +03:00
|
|
|
global_scope &Scope
|
2020-05-09 16:16:48 +03:00
|
|
|
pub mut:
|
2020-07-25 01:02:44 +03:00
|
|
|
scope &Scope
|
2020-07-01 01:53:53 +03:00
|
|
|
stmts []Stmt
|
2020-04-27 23:53:26 +03:00
|
|
|
imports []Import
|
2020-05-18 19:06:09 +03:00
|
|
|
errors []errors.Error
|
2020-05-10 12:26:57 +03:00
|
|
|
warnings []errors.Warning
|
2020-02-17 14:25:18 +03:00
|
|
|
}
|
|
|
|
|
2020-03-11 18:10:46 +03:00
|
|
|
pub struct IdentFn {
|
2020-02-17 14:25:18 +03:00
|
|
|
pub mut:
|
2020-03-11 18:10:46 +03:00
|
|
|
typ table.Type
|
2020-01-19 01:26:14 +03:00
|
|
|
}
|
|
|
|
|
2020-07-22 19:10:31 +03:00
|
|
|
// TODO: (joe) remove completely, use ident.obj
|
|
|
|
// instead which points to the scope object
|
2020-01-19 01:26:14 +03:00
|
|
|
pub struct IdentVar {
|
2020-02-06 15:57:35 +03:00
|
|
|
pub mut:
|
2020-03-13 07:57:51 +03:00
|
|
|
typ table.Type
|
|
|
|
is_mut bool
|
|
|
|
is_static bool
|
|
|
|
is_optional bool
|
2020-07-04 13:44:25 +03:00
|
|
|
share table.ShareType
|
2020-01-19 01:26:14 +03:00
|
|
|
}
|
|
|
|
|
2020-03-11 18:10:46 +03:00
|
|
|
pub type IdentInfo = IdentFn | IdentVar
|
2020-01-19 01:26:14 +03:00
|
|
|
|
|
|
|
pub enum IdentKind {
|
2020-02-17 14:25:18 +03:00
|
|
|
unresolved
|
2020-01-19 01:26:14 +03:00
|
|
|
blank_ident
|
|
|
|
variable
|
2020-02-03 09:02:54 +03:00
|
|
|
constant
|
2020-04-04 06:14:40 +03:00
|
|
|
global
|
2020-02-17 14:25:18 +03:00
|
|
|
function
|
2019-12-24 20:54:43 +03:00
|
|
|
}
|
2019-12-28 16:11:05 +03:00
|
|
|
|
2019-12-22 04:34:37 +03:00
|
|
|
// A single identifier
|
2019-12-28 16:11:05 +03:00
|
|
|
pub struct Ident {
|
|
|
|
pub:
|
2020-05-19 18:12:47 +03:00
|
|
|
language table.Language
|
2019-12-31 12:53:30 +03:00
|
|
|
tok_kind token.Kind
|
2020-01-19 01:26:14 +03:00
|
|
|
pos token.Position
|
2020-05-09 16:16:48 +03:00
|
|
|
pub mut:
|
2020-07-22 19:10:31 +03:00
|
|
|
obj ScopeObject
|
2020-07-01 01:53:53 +03:00
|
|
|
mod string
|
2020-03-06 02:10:01 +03:00
|
|
|
name string
|
2020-01-19 01:26:14 +03:00
|
|
|
kind IdentKind
|
|
|
|
info IdentInfo
|
2020-04-27 23:53:26 +03:00
|
|
|
is_mut bool
|
2019-12-22 04:34:37 +03:00
|
|
|
}
|
|
|
|
|
2020-02-07 16:49:14 +03:00
|
|
|
pub fn (i &Ident) var_info() IdentVar {
|
2020-06-19 12:46:08 +03:00
|
|
|
match i.info as info {
|
2020-02-06 19:38:02 +03:00
|
|
|
IdentVar {
|
2020-07-29 22:40:43 +03:00
|
|
|
return *info
|
2020-02-06 19:38:02 +03:00
|
|
|
}
|
|
|
|
else {
|
|
|
|
// return IdentVar{}
|
|
|
|
panic('Ident.var_info(): info is not IdentVar variant')
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2020-09-29 04:13:10 +03:00
|
|
|
// left op right
|
|
|
|
// See: token.Kind.is_infix
|
2020-01-22 23:34:38 +03:00
|
|
|
pub struct InfixExpr {
|
2019-12-22 04:34:37 +03:00
|
|
|
pub:
|
2020-07-14 19:52:28 +03:00
|
|
|
op token.Kind
|
|
|
|
pos token.Position
|
|
|
|
left Expr
|
|
|
|
right Expr
|
2020-05-09 16:16:48 +03:00
|
|
|
pub mut:
|
2020-07-14 19:52:28 +03:00
|
|
|
left_type table.Type
|
|
|
|
right_type table.Type
|
|
|
|
auto_locked string
|
2019-12-22 04:34:37 +03:00
|
|
|
}
|
|
|
|
|
2020-09-29 04:13:10 +03:00
|
|
|
// ++, --
|
2020-01-06 18:13:12 +03:00
|
|
|
pub struct PostfixExpr {
|
|
|
|
pub:
|
2020-07-14 19:52:28 +03:00
|
|
|
op token.Kind
|
|
|
|
expr Expr
|
|
|
|
pos token.Position
|
2020-07-13 15:01:32 +03:00
|
|
|
pub mut:
|
2020-07-14 19:52:28 +03:00
|
|
|
auto_locked string
|
2020-01-06 18:13:12 +03:00
|
|
|
}
|
|
|
|
|
2020-09-29 04:13:10 +03:00
|
|
|
// See: token.Kind.is_prefix
|
2020-01-06 18:13:12 +03:00
|
|
|
pub struct PrefixExpr {
|
|
|
|
pub:
|
2020-08-18 00:35:36 +03:00
|
|
|
op token.Kind
|
|
|
|
right Expr
|
|
|
|
pos token.Position
|
|
|
|
pub mut:
|
|
|
|
right_type table.Type
|
2020-08-23 03:12:05 +03:00
|
|
|
or_block OrExpr
|
2020-01-06 18:13:12 +03:00
|
|
|
}
|
|
|
|
|
2020-01-07 14:14:10 +03:00
|
|
|
pub struct IndexExpr {
|
|
|
|
pub:
|
2020-04-09 16:33:46 +03:00
|
|
|
pos token.Position
|
|
|
|
left Expr
|
2020-10-05 18:40:51 +03:00
|
|
|
index Expr // [0], RangeExpr [start..end] or map[key]
|
2020-05-09 16:16:48 +03:00
|
|
|
pub mut:
|
2020-04-03 11:41:01 +03:00
|
|
|
left_type table.Type // array, map, fixed array
|
2020-04-09 16:33:46 +03:00
|
|
|
is_setter bool
|
2020-01-07 14:14:10 +03:00
|
|
|
}
|
|
|
|
|
2019-12-28 21:16:04 +03:00
|
|
|
pub struct IfExpr {
|
2019-12-29 10:51:55 +03:00
|
|
|
pub:
|
2020-09-18 01:58:54 +03:00
|
|
|
is_comptime bool
|
2020-07-20 17:48:33 +03:00
|
|
|
tok_kind token.Kind
|
|
|
|
left Expr // `a` in `a := if ...`
|
|
|
|
pos token.Position
|
|
|
|
post_comments []Comment
|
2020-05-09 16:16:48 +03:00
|
|
|
pub mut:
|
2020-07-20 17:48:33 +03:00
|
|
|
branches []IfBranch // includes all `else if` branches
|
|
|
|
is_expr bool
|
|
|
|
typ table.Type
|
|
|
|
has_else bool
|
2020-03-20 16:39:56 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
pub struct IfBranch {
|
|
|
|
pub:
|
2020-07-14 19:52:28 +03:00
|
|
|
cond Expr
|
|
|
|
pos token.Position
|
|
|
|
body_pos token.Position
|
|
|
|
comments []Comment
|
2020-08-22 01:00:02 +03:00
|
|
|
left_as_name string // `name` in `if cond is SumType as name`
|
|
|
|
mut_name bool // `if mut name is`
|
2020-07-08 16:17:28 +03:00
|
|
|
pub mut:
|
2020-09-18 01:58:54 +03:00
|
|
|
stmts []Stmt
|
2020-08-22 01:00:02 +03:00
|
|
|
smartcast bool // true when cond is `x is SumType`, set in checker.if_expr
|
2020-02-03 09:02:54 +03:00
|
|
|
}
|
|
|
|
|
2020-07-12 13:58:33 +03:00
|
|
|
pub struct UnsafeExpr {
|
|
|
|
pub:
|
2020-09-22 06:28:29 +03:00
|
|
|
expr Expr
|
|
|
|
pos token.Position
|
2020-07-12 13:58:33 +03:00
|
|
|
}
|
|
|
|
|
2020-07-04 13:44:25 +03:00
|
|
|
pub struct LockExpr {
|
|
|
|
pub:
|
|
|
|
stmts []Stmt
|
|
|
|
is_rlock bool
|
|
|
|
pos token.Position
|
|
|
|
pub mut:
|
|
|
|
lockeds []Ident // `x`, `y` in `lock x, y {`
|
|
|
|
is_expr bool
|
|
|
|
typ table.Type
|
|
|
|
}
|
|
|
|
|
2020-02-05 12:00:11 +03:00
|
|
|
pub struct MatchExpr {
|
|
|
|
pub:
|
2020-03-18 18:07:52 +03:00
|
|
|
tok_kind token.Kind
|
|
|
|
cond Expr
|
|
|
|
branches []MatchBranch
|
|
|
|
pos token.Position
|
2020-04-09 16:33:46 +03:00
|
|
|
is_mut bool // `match mut ast_node {`
|
2020-08-03 22:10:59 +03:00
|
|
|
var_name string // `match cond as var_name {`
|
2020-05-09 16:16:48 +03:00
|
|
|
pub mut:
|
2020-03-18 18:07:52 +03:00
|
|
|
is_expr bool // returns a value
|
|
|
|
return_type table.Type
|
|
|
|
cond_type table.Type // type of `x` in `match x {`
|
|
|
|
expected_type table.Type // for debugging only
|
|
|
|
is_sum_type bool
|
2020-02-05 12:00:11 +03:00
|
|
|
}
|
|
|
|
|
2020-03-04 13:59:45 +03:00
|
|
|
pub struct MatchBranch {
|
|
|
|
pub:
|
2020-07-03 16:10:39 +03:00
|
|
|
exprs []Expr // left side
|
|
|
|
stmts []Stmt // right side
|
|
|
|
pos token.Position
|
|
|
|
comment Comment // comment above `xxx {`
|
|
|
|
is_else bool
|
2020-07-02 16:44:03 +03:00
|
|
|
post_comments []Comment
|
2020-03-04 13:59:45 +03:00
|
|
|
}
|
|
|
|
|
2020-09-16 16:34:57 +03:00
|
|
|
pub struct SelectExpr {
|
|
|
|
pub:
|
|
|
|
branches []SelectBranch
|
|
|
|
pos token.Position
|
2020-09-19 03:14:35 +03:00
|
|
|
has_exception bool
|
2020-09-16 16:34:57 +03:00
|
|
|
pub mut:
|
|
|
|
is_expr bool // returns a value
|
|
|
|
expected_type table.Type // for debugging only
|
|
|
|
}
|
|
|
|
|
|
|
|
pub struct SelectBranch {
|
|
|
|
pub:
|
|
|
|
stmt Stmt // `a := <-ch` or `ch <- a`
|
|
|
|
stmts []Stmt // right side
|
|
|
|
pos token.Position
|
|
|
|
comment Comment // comment above `select {`
|
|
|
|
is_else bool
|
|
|
|
is_timeout bool
|
|
|
|
post_comments []Comment
|
|
|
|
}
|
|
|
|
|
2020-07-25 01:02:44 +03:00
|
|
|
pub enum CompForKind {
|
|
|
|
methods
|
|
|
|
fields
|
|
|
|
}
|
|
|
|
|
2020-07-03 16:10:39 +03:00
|
|
|
pub struct CompFor {
|
|
|
|
pub:
|
|
|
|
val_var string
|
|
|
|
stmts []Stmt
|
2020-07-25 01:02:44 +03:00
|
|
|
kind CompForKind
|
2020-07-03 16:10:39 +03:00
|
|
|
pub mut:
|
|
|
|
// expr Expr
|
|
|
|
typ table.Type
|
|
|
|
}
|
|
|
|
|
2019-12-30 08:16:59 +03:00
|
|
|
pub struct ForStmt {
|
|
|
|
pub:
|
2020-02-19 13:06:36 +03:00
|
|
|
cond Expr
|
|
|
|
stmts []Stmt
|
|
|
|
is_inf bool // `for {}`
|
2020-03-18 16:50:21 +03:00
|
|
|
pos token.Position
|
2020-01-07 02:14:19 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
pub struct ForInStmt {
|
|
|
|
pub:
|
2020-10-14 14:23:58 +03:00
|
|
|
key_var string
|
|
|
|
val_var string
|
|
|
|
cond Expr
|
|
|
|
is_range bool
|
|
|
|
high Expr // `10` in `for i in 0..10 {`
|
|
|
|
stmts []Stmt
|
|
|
|
pos token.Position
|
2020-10-13 17:27:24 +03:00
|
|
|
val_is_mut bool // `for mut val in vals {` means that modifying `val` will modify the array
|
2020-05-09 16:16:48 +03:00
|
|
|
pub mut:
|
2020-10-14 14:23:58 +03:00
|
|
|
// and the array cannot be indexed inside the loop
|
|
|
|
key_type table.Type
|
|
|
|
val_type table.Type
|
|
|
|
cond_type table.Type
|
|
|
|
kind table.Kind // array/map/string
|
2020-01-07 02:14:19 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
pub struct ForCStmt {
|
|
|
|
pub:
|
2020-03-11 04:44:30 +03:00
|
|
|
init Stmt // i := 0;
|
|
|
|
has_init bool
|
|
|
|
cond Expr // i < 10;
|
2020-04-10 10:00:14 +03:00
|
|
|
has_cond bool
|
2020-06-16 14:20:16 +03:00
|
|
|
inc Stmt // i++; i += 2
|
2020-04-10 10:00:14 +03:00
|
|
|
has_inc bool
|
2020-03-11 04:44:30 +03:00
|
|
|
stmts []Stmt
|
2020-03-18 16:50:21 +03:00
|
|
|
pos token.Position
|
2019-12-30 08:16:59 +03:00
|
|
|
}
|
|
|
|
|
2020-02-04 11:54:15 +03:00
|
|
|
// #include etc
|
|
|
|
pub struct HashStmt {
|
|
|
|
pub:
|
2020-04-16 12:29:36 +03:00
|
|
|
mod string
|
2020-08-28 09:24:04 +03:00
|
|
|
pos token.Position
|
|
|
|
pub mut:
|
|
|
|
val string
|
2020-02-04 11:54:15 +03:00
|
|
|
}
|
|
|
|
|
2020-08-12 06:54:51 +03:00
|
|
|
/*
|
|
|
|
// filter(), map(), sort()
|
2020-02-10 16:42:57 +03:00
|
|
|
pub struct Lambda {
|
|
|
|
pub:
|
|
|
|
name string
|
|
|
|
}
|
2020-08-12 06:54:51 +03:00
|
|
|
*/
|
2019-12-28 21:16:04 +03:00
|
|
|
pub struct AssignStmt {
|
|
|
|
pub:
|
2020-05-27 04:20:22 +03:00
|
|
|
right []Expr
|
|
|
|
op token.Kind
|
|
|
|
pos token.Position
|
2020-07-17 20:13:22 +03:00
|
|
|
comments []Comment
|
2020-04-27 23:53:26 +03:00
|
|
|
pub mut:
|
2020-06-16 14:20:16 +03:00
|
|
|
left []Expr
|
2020-05-27 04:20:22 +03:00
|
|
|
left_types []table.Type
|
|
|
|
right_types []table.Type
|
|
|
|
is_static bool // for translated code only
|
2020-06-16 14:20:16 +03:00
|
|
|
is_simple bool // `x+=2` in `for x:=1; ; x+=2`
|
2020-05-26 19:00:51 +03:00
|
|
|
has_cross_var bool
|
2019-12-28 21:16:04 +03:00
|
|
|
}
|
2020-02-06 19:38:02 +03:00
|
|
|
|
2020-03-02 21:00:33 +03:00
|
|
|
pub struct AsCast {
|
|
|
|
pub:
|
2020-03-18 15:55:46 +03:00
|
|
|
expr Expr
|
|
|
|
typ table.Type
|
2020-03-18 16:50:21 +03:00
|
|
|
pos token.Position
|
2020-05-09 16:16:48 +03:00
|
|
|
pub mut:
|
2020-03-18 15:55:46 +03:00
|
|
|
expr_type table.Type
|
2020-03-02 21:00:33 +03:00
|
|
|
}
|
|
|
|
|
2020-02-11 01:19:50 +03:00
|
|
|
pub struct EnumVal {
|
2020-02-10 22:33:34 +03:00
|
|
|
pub:
|
2020-02-25 17:02:34 +03:00
|
|
|
enum_name string
|
|
|
|
val string
|
2020-03-15 02:46:08 +03:00
|
|
|
mod string // for full path `mod_Enum_val`
|
2020-02-25 17:02:34 +03:00
|
|
|
pos token.Position
|
2020-05-09 16:16:48 +03:00
|
|
|
pub mut:
|
2020-03-15 04:51:31 +03:00
|
|
|
typ table.Type
|
2020-02-11 01:19:50 +03:00
|
|
|
}
|
2020-02-10 22:33:34 +03:00
|
|
|
|
2020-04-09 20:23:49 +03:00
|
|
|
pub struct EnumField {
|
2020-05-18 19:06:09 +03:00
|
|
|
pub:
|
2020-04-10 15:44:01 +03:00
|
|
|
name string
|
|
|
|
pos token.Position
|
2020-07-02 16:44:03 +03:00
|
|
|
comments []Comment
|
2020-04-10 15:44:01 +03:00
|
|
|
expr Expr
|
|
|
|
has_expr bool
|
2020-04-09 20:23:49 +03:00
|
|
|
}
|
|
|
|
|
2020-02-11 01:19:50 +03:00
|
|
|
pub struct EnumDecl {
|
|
|
|
pub:
|
2020-07-10 17:43:02 +03:00
|
|
|
name string
|
|
|
|
is_pub bool
|
|
|
|
is_flag bool // true when the enum has [flag] tag
|
|
|
|
is_multi_allowed bool
|
|
|
|
comments []Comment // enum Abc { /* comments */ ... }
|
|
|
|
fields []EnumField
|
2020-10-03 21:33:02 +03:00
|
|
|
attrs []table.Attr
|
2020-07-10 17:43:02 +03:00
|
|
|
pos token.Position
|
2020-02-11 01:19:50 +03:00
|
|
|
}
|
|
|
|
|
2020-03-07 19:37:55 +03:00
|
|
|
pub struct AliasTypeDecl {
|
|
|
|
pub:
|
2020-03-08 00:37:03 +03:00
|
|
|
name string
|
|
|
|
is_pub bool
|
2020-03-07 19:37:55 +03:00
|
|
|
parent_type table.Type
|
2020-04-19 01:07:57 +03:00
|
|
|
pos token.Position
|
2020-03-07 19:37:55 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
pub struct SumTypeDecl {
|
2020-02-11 01:19:50 +03:00
|
|
|
pub:
|
2020-03-08 00:37:03 +03:00
|
|
|
name string
|
|
|
|
is_pub bool
|
2020-03-07 19:37:55 +03:00
|
|
|
sub_types []table.Type
|
2020-04-19 01:07:57 +03:00
|
|
|
pos token.Position
|
2020-02-10 22:33:34 +03:00
|
|
|
}
|
|
|
|
|
2020-03-11 18:10:46 +03:00
|
|
|
pub struct FnTypeDecl {
|
|
|
|
pub:
|
2020-03-11 21:00:51 +03:00
|
|
|
name string
|
|
|
|
is_pub bool
|
|
|
|
typ table.Type
|
2020-04-19 01:07:57 +03:00
|
|
|
pos token.Position
|
2020-03-11 18:10:46 +03:00
|
|
|
}
|
|
|
|
|
2020-04-09 16:33:46 +03:00
|
|
|
// TODO: handle this differently
|
|
|
|
// v1 excludes non current os ifdefs so
|
|
|
|
// the defer's never get added in the first place
|
2020-02-18 00:50:04 +03:00
|
|
|
pub struct DeferStmt {
|
2020-02-11 12:26:46 +03:00
|
|
|
pub:
|
2020-02-18 00:50:04 +03:00
|
|
|
stmts []Stmt
|
2020-05-09 16:16:48 +03:00
|
|
|
pub mut:
|
2020-03-27 09:21:22 +03:00
|
|
|
ifdef string
|
2020-02-11 12:26:46 +03:00
|
|
|
}
|
|
|
|
|
2020-02-28 16:41:19 +03:00
|
|
|
// `(3+4)`
|
|
|
|
pub struct ParExpr {
|
|
|
|
pub:
|
|
|
|
expr Expr
|
|
|
|
}
|
|
|
|
|
2020-03-16 10:33:42 +03:00
|
|
|
pub struct GoStmt {
|
|
|
|
pub:
|
2020-04-03 16:18:17 +03:00
|
|
|
call_expr Expr
|
2020-03-16 10:33:42 +03:00
|
|
|
}
|
|
|
|
|
2020-02-18 00:50:04 +03:00
|
|
|
pub struct GotoLabel {
|
2020-02-17 16:15:42 +03:00
|
|
|
pub:
|
2020-02-18 00:50:04 +03:00
|
|
|
name string
|
2020-02-17 16:15:42 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
pub struct GotoStmt {
|
|
|
|
pub:
|
2020-02-18 00:50:04 +03:00
|
|
|
name string
|
2020-02-17 16:15:42 +03:00
|
|
|
}
|
|
|
|
|
2019-12-30 11:38:12 +03:00
|
|
|
pub struct ArrayInit {
|
|
|
|
pub:
|
2020-04-29 13:20:22 +03:00
|
|
|
pos token.Position
|
2020-05-31 11:22:18 +03:00
|
|
|
elem_type_pos token.Position
|
2020-08-15 12:01:54 +03:00
|
|
|
exprs []Expr // `[expr, expr]` or `[expr]Type{}` for fixed array
|
2020-04-29 13:20:22 +03:00
|
|
|
is_fixed bool
|
2020-08-14 14:57:00 +03:00
|
|
|
has_val bool // fixed size literal `[expr, expr]!!`
|
2020-04-29 13:20:22 +03:00
|
|
|
mod string
|
|
|
|
len_expr Expr
|
2020-05-13 17:11:52 +03:00
|
|
|
cap_expr Expr
|
2020-08-14 14:57:00 +03:00
|
|
|
default_expr Expr // init: expr
|
2020-04-29 13:20:22 +03:00
|
|
|
has_len bool
|
|
|
|
has_cap bool
|
2020-05-13 17:11:52 +03:00
|
|
|
has_default bool
|
2020-05-09 16:16:48 +03:00
|
|
|
pub mut:
|
2020-04-29 13:20:22 +03:00
|
|
|
is_interface bool // array of interfaces e.g. `[]Animal` `[Dog{}, Cat{}]`
|
|
|
|
interface_types []table.Type // [Dog, Cat]
|
|
|
|
interface_type table.Type // Animal
|
|
|
|
elem_type table.Type
|
|
|
|
typ table.Type
|
2019-12-30 11:38:12 +03:00
|
|
|
}
|
|
|
|
|
2020-08-14 22:18:42 +03:00
|
|
|
pub struct ChanInit {
|
|
|
|
pub:
|
2020-09-05 13:00:35 +03:00
|
|
|
pos token.Position
|
|
|
|
cap_expr Expr
|
|
|
|
has_cap bool
|
2020-08-14 22:18:42 +03:00
|
|
|
pub mut:
|
2020-09-05 13:00:35 +03:00
|
|
|
typ table.Type
|
|
|
|
elem_type table.Type
|
2020-08-14 22:18:42 +03:00
|
|
|
}
|
|
|
|
|
2020-02-22 16:13:19 +03:00
|
|
|
pub struct MapInit {
|
|
|
|
pub:
|
2020-03-07 18:23:10 +03:00
|
|
|
pos token.Position
|
|
|
|
keys []Expr
|
|
|
|
vals []Expr
|
2020-05-09 16:16:48 +03:00
|
|
|
pub mut:
|
2020-03-07 18:23:10 +03:00
|
|
|
typ table.Type
|
2020-03-07 10:13:00 +03:00
|
|
|
key_type table.Type
|
|
|
|
value_type table.Type
|
2020-02-22 16:13:19 +03:00
|
|
|
}
|
|
|
|
|
2020-02-02 16:31:54 +03:00
|
|
|
// s[10..20]
|
|
|
|
pub struct RangeExpr {
|
|
|
|
pub:
|
2020-03-07 00:24:39 +03:00
|
|
|
low Expr
|
|
|
|
high Expr
|
|
|
|
has_high bool
|
|
|
|
has_low bool
|
2020-02-02 16:31:54 +03:00
|
|
|
}
|
|
|
|
|
2020-08-10 19:05:26 +03:00
|
|
|
// NB: &string(x) gets parsed as ast.PrefixExpr{ right: ast.CastExpr{...} }
|
|
|
|
// TODO: that is very likely a parsing bug. It should get parsed as just
|
|
|
|
// ast.CastExpr{...}, where .typname is '&string' instead.
|
|
|
|
// The current situation leads to special cases in vfmt and cgen
|
|
|
|
// (see prefix_expr_cast_expr in fmt.v, and .is_amp in cgen.v)
|
|
|
|
// .in_prexpr is also needed because of that, because the checker needs to
|
|
|
|
// show warnings about the deprecated C->V conversions `string(x)` and
|
|
|
|
// `string(x,y)`, while skipping the real pointer casts like `&string(x)`.
|
2020-02-10 16:43:17 +03:00
|
|
|
pub struct CastExpr {
|
|
|
|
pub:
|
2020-08-02 00:17:00 +03:00
|
|
|
expr Expr // `buf` in `string(buf, n)`
|
2020-03-11 21:00:51 +03:00
|
|
|
arg Expr // `n` in `string(buf, n)`
|
2020-06-25 15:55:53 +03:00
|
|
|
typ table.Type // `string` TODO rename to `type_to_cast_to`
|
2020-05-06 13:05:24 +03:00
|
|
|
pos token.Position
|
2020-05-09 16:16:48 +03:00
|
|
|
pub mut:
|
2020-04-27 23:53:26 +03:00
|
|
|
typname string
|
2020-03-11 21:00:51 +03:00
|
|
|
expr_type table.Type // `byteptr`
|
|
|
|
has_arg bool
|
2020-08-10 19:05:26 +03:00
|
|
|
in_prexpr bool // is the parent node an ast.PrefixExpr
|
2020-02-10 16:43:17 +03:00
|
|
|
}
|
|
|
|
|
2020-02-26 17:51:05 +03:00
|
|
|
pub struct AssertStmt {
|
|
|
|
pub:
|
|
|
|
expr Expr
|
2020-03-26 12:44:59 +03:00
|
|
|
pos token.Position
|
2020-02-26 17:51:05 +03:00
|
|
|
}
|
|
|
|
|
2020-02-28 17:36:41 +03:00
|
|
|
// `if [x := opt()] {`
|
|
|
|
pub struct IfGuardExpr {
|
2020-02-27 20:02:40 +03:00
|
|
|
pub:
|
2020-03-17 18:40:41 +03:00
|
|
|
var_name string
|
|
|
|
expr Expr
|
2020-05-09 16:16:48 +03:00
|
|
|
pub mut:
|
2020-03-17 18:40:41 +03:00
|
|
|
expr_type table.Type
|
2020-02-27 20:02:40 +03:00
|
|
|
}
|
|
|
|
|
2020-05-23 09:51:15 +03:00
|
|
|
pub enum OrKind {
|
|
|
|
absent
|
|
|
|
block
|
|
|
|
propagate
|
|
|
|
}
|
|
|
|
|
2020-02-28 17:36:41 +03:00
|
|
|
// `or { ... }`
|
|
|
|
pub struct OrExpr {
|
|
|
|
pub:
|
2020-05-23 09:51:15 +03:00
|
|
|
stmts []Stmt
|
|
|
|
kind OrKind
|
2020-05-25 06:32:33 +03:00
|
|
|
pos token.Position
|
2020-02-28 17:36:41 +03:00
|
|
|
}
|
|
|
|
|
2020-09-13 04:00:20 +03:00
|
|
|
/*
|
2020-09-12 17:40:52 +03:00
|
|
|
// `or { ... }`
|
|
|
|
pub struct OrExpr2 {
|
|
|
|
pub:
|
|
|
|
call_expr CallExpr
|
|
|
|
stmts []Stmt // inside `or { }`
|
|
|
|
kind OrKind
|
|
|
|
pos token.Position
|
|
|
|
}
|
2020-09-13 04:00:20 +03:00
|
|
|
*/
|
2020-02-18 19:29:47 +03:00
|
|
|
pub struct Assoc {
|
|
|
|
pub:
|
2020-03-01 15:07:51 +03:00
|
|
|
var_name string
|
|
|
|
fields []string
|
|
|
|
exprs []Expr
|
|
|
|
pos token.Position
|
2020-05-09 16:16:48 +03:00
|
|
|
pub mut:
|
2020-03-19 11:52:33 +03:00
|
|
|
typ table.Type
|
2020-02-18 19:29:47 +03:00
|
|
|
}
|
|
|
|
|
2020-02-18 20:13:34 +03:00
|
|
|
pub struct SizeOf {
|
|
|
|
pub:
|
2020-07-01 01:53:53 +03:00
|
|
|
is_type bool
|
2020-03-18 10:41:49 +03:00
|
|
|
typ table.Type
|
2020-02-18 20:13:34 +03:00
|
|
|
type_name string
|
2020-07-01 01:53:53 +03:00
|
|
|
expr Expr
|
|
|
|
pos token.Position
|
2020-02-18 20:13:34 +03:00
|
|
|
}
|
|
|
|
|
2020-06-09 17:36:18 +03:00
|
|
|
pub struct Likely {
|
|
|
|
pub:
|
2020-06-16 13:14:22 +03:00
|
|
|
expr Expr
|
|
|
|
pos token.Position
|
2020-06-09 18:08:31 +03:00
|
|
|
is_likely bool // false for _unlikely_
|
2020-06-09 17:36:18 +03:00
|
|
|
}
|
|
|
|
|
2020-03-19 14:15:39 +03:00
|
|
|
pub struct TypeOf {
|
|
|
|
pub:
|
2020-03-31 20:43:11 +03:00
|
|
|
expr Expr
|
2020-05-09 16:16:48 +03:00
|
|
|
pub mut:
|
2020-03-28 19:37:22 +03:00
|
|
|
expr_type table.Type
|
2020-03-19 14:15:39 +03:00
|
|
|
}
|
|
|
|
|
2020-04-05 03:08:10 +03:00
|
|
|
pub struct Comment {
|
2020-02-18 22:20:15 +03:00
|
|
|
pub:
|
2020-04-09 16:33:46 +03:00
|
|
|
text string
|
2020-04-05 03:08:10 +03:00
|
|
|
is_multi bool
|
2020-04-09 16:33:46 +03:00
|
|
|
line_nr int
|
|
|
|
pos token.Position
|
2020-02-18 22:20:15 +03:00
|
|
|
}
|
|
|
|
|
2020-03-01 16:57:54 +03:00
|
|
|
pub struct ConcatExpr {
|
|
|
|
pub:
|
2020-05-18 19:06:09 +03:00
|
|
|
vals []Expr
|
2020-05-16 00:14:53 +03:00
|
|
|
pub mut:
|
|
|
|
return_type table.Type
|
2020-03-01 16:57:54 +03:00
|
|
|
}
|
|
|
|
|
2020-05-25 06:32:33 +03:00
|
|
|
pub struct ComptimeCall {
|
2020-06-06 11:05:26 +03:00
|
|
|
pub:
|
|
|
|
method_name string
|
|
|
|
left Expr
|
2020-06-06 22:36:24 +03:00
|
|
|
is_vweb bool
|
2020-06-07 13:26:45 +03:00
|
|
|
vweb_tmpl File
|
2020-07-03 16:10:39 +03:00
|
|
|
args_var string
|
2020-06-06 11:05:26 +03:00
|
|
|
pub mut:
|
|
|
|
sym table.TypeSymbol
|
2020-05-25 06:32:33 +03:00
|
|
|
}
|
|
|
|
|
2020-02-19 21:54:36 +03:00
|
|
|
pub struct None {
|
|
|
|
pub:
|
2020-06-16 13:14:22 +03:00
|
|
|
pos token.Position
|
|
|
|
foo int // todo
|
|
|
|
}
|
|
|
|
|
2020-06-19 17:43:32 +03:00
|
|
|
/*
|
|
|
|
pub enum SqlExprKind {
|
|
|
|
select_
|
|
|
|
insert
|
|
|
|
update
|
|
|
|
}
|
|
|
|
*/
|
2020-06-24 15:32:14 +03:00
|
|
|
pub enum SqlStmtKind {
|
|
|
|
insert
|
|
|
|
update
|
|
|
|
delete
|
|
|
|
}
|
|
|
|
|
|
|
|
pub struct SqlStmt {
|
2020-06-19 17:43:32 +03:00
|
|
|
pub:
|
2020-06-27 17:19:12 +03:00
|
|
|
kind SqlStmtKind
|
|
|
|
db_expr Expr // `db` in `sql db {`
|
2020-06-19 17:43:32 +03:00
|
|
|
object_var_name string // `user`
|
2020-06-19 18:05:57 +03:00
|
|
|
table_type table.Type
|
2020-06-27 17:19:12 +03:00
|
|
|
pos token.Position
|
|
|
|
where_expr Expr
|
|
|
|
updated_columns []string // for `update set x=y`
|
|
|
|
update_exprs []Expr // for `update`
|
2020-06-25 15:43:07 +03:00
|
|
|
pub mut:
|
2020-06-27 17:19:12 +03:00
|
|
|
table_name string
|
|
|
|
fields []table.Field
|
2020-06-19 17:43:32 +03:00
|
|
|
}
|
|
|
|
|
2020-06-16 13:14:22 +03:00
|
|
|
pub struct SqlExpr {
|
2020-06-17 01:59:33 +03:00
|
|
|
pub:
|
2020-06-27 17:19:12 +03:00
|
|
|
typ table.Type
|
|
|
|
is_count bool
|
|
|
|
db_expr Expr // `db` in `sql db {`
|
|
|
|
where_expr Expr
|
|
|
|
has_where bool
|
|
|
|
has_offset bool
|
|
|
|
offset_expr Expr
|
2020-07-02 20:29:22 +03:00
|
|
|
has_order bool
|
|
|
|
order_expr Expr
|
|
|
|
has_desc bool
|
2020-06-27 17:19:12 +03:00
|
|
|
is_array bool
|
|
|
|
table_type table.Type
|
|
|
|
pos token.Position
|
|
|
|
has_limit bool
|
|
|
|
limit_expr Expr
|
2020-06-25 13:05:24 +03:00
|
|
|
pub mut:
|
2020-06-27 17:19:12 +03:00
|
|
|
table_name string
|
|
|
|
fields []table.Field
|
2020-02-19 21:54:36 +03:00
|
|
|
}
|
2020-03-18 10:41:49 +03:00
|
|
|
|
2020-03-18 03:19:23 +03:00
|
|
|
[inline]
|
2020-06-16 14:20:16 +03:00
|
|
|
pub fn (expr Expr) is_blank_ident() bool {
|
2020-03-18 03:19:23 +03:00
|
|
|
match expr {
|
2020-06-19 12:46:08 +03:00
|
|
|
Ident { return expr.kind == .blank_ident }
|
2020-04-19 01:07:57 +03:00
|
|
|
else { return false }
|
2020-03-18 03:19:23 +03:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2020-05-11 09:59:55 +03:00
|
|
|
pub fn (expr Expr) position() token.Position {
|
2020-04-17 03:38:39 +03:00
|
|
|
// all uncommented have to be implemented
|
2020-09-22 06:28:29 +03:00
|
|
|
match expr {
|
|
|
|
// KEKW2
|
2020-07-07 18:10:39 +03:00
|
|
|
AnonFn {
|
|
|
|
return expr.decl.pos
|
|
|
|
}
|
2020-10-14 14:23:58 +03:00
|
|
|
ArrayInit, AsCast, Assoc, BoolLiteral, CallExpr, CastExpr, CharLiteral, Comment, EnumVal, FloatLiteral, Ident, IfExpr, IndexExpr, IntegerLiteral, MapInit, MatchExpr, None, PostfixExpr, PrefixExpr, SelectExpr, SelectorExpr, SizeOf, StringLiteral, StringInterLiteral, StructInit, Likely {
|
2020-06-19 12:46:08 +03:00
|
|
|
return expr.pos
|
2020-04-22 21:20:49 +03:00
|
|
|
}
|
2020-04-17 03:38:39 +03:00
|
|
|
InfixExpr {
|
2020-06-19 12:46:08 +03:00
|
|
|
left_pos := expr.left.position()
|
|
|
|
right_pos := expr.right.position()
|
2020-06-27 17:19:12 +03:00
|
|
|
if left_pos.pos == 0 || right_pos.pos == 0 {
|
2020-06-19 12:46:08 +03:00
|
|
|
return expr.pos
|
2020-04-17 03:38:39 +03:00
|
|
|
}
|
|
|
|
return token.Position{
|
2020-06-19 12:46:08 +03:00
|
|
|
line_nr: expr.pos.line_nr
|
2020-04-17 03:38:39 +03:00
|
|
|
pos: left_pos.pos
|
|
|
|
len: right_pos.pos - left_pos.pos + right_pos.len
|
|
|
|
}
|
|
|
|
}
|
2020-10-13 00:11:51 +03:00
|
|
|
/*
|
|
|
|
ast.Ident {}
|
|
|
|
ast.IfGuardExpr {}
|
|
|
|
ast.None {}
|
|
|
|
ast.ParExpr {}
|
|
|
|
ast.Type {}
|
|
|
|
ast.TypeOf {}
|
|
|
|
*/
|
2020-04-22 21:20:49 +03:00
|
|
|
else {
|
|
|
|
return token.Position{}
|
|
|
|
}
|
2020-04-17 03:38:39 +03:00
|
|
|
}
|
|
|
|
}
|
2020-04-29 13:31:18 +03:00
|
|
|
|
2020-08-17 22:10:47 +03:00
|
|
|
pub fn (expr Expr) is_lvalue() bool {
|
|
|
|
match expr {
|
2020-09-05 13:00:35 +03:00
|
|
|
Ident { return true }
|
|
|
|
IndexExpr { return expr.left.is_lvalue() }
|
|
|
|
SelectorExpr { return expr.expr.is_lvalue() }
|
2020-08-17 22:10:47 +03:00
|
|
|
else {}
|
|
|
|
}
|
|
|
|
return false
|
|
|
|
}
|
|
|
|
|
2020-09-19 19:18:36 +03:00
|
|
|
pub fn (expr Expr) is_expr() bool {
|
|
|
|
match expr {
|
2020-09-22 06:28:29 +03:00
|
|
|
IfExpr { return expr.is_expr }
|
|
|
|
MatchExpr { return expr.is_expr }
|
2020-09-19 19:18:36 +03:00
|
|
|
else {}
|
|
|
|
}
|
|
|
|
return true
|
|
|
|
}
|
|
|
|
|
2020-09-30 17:06:22 +03:00
|
|
|
// check if stmt can be an expression in C
|
2020-10-14 14:23:58 +03:00
|
|
|
pub fn (stmt Stmt) check_c_expr() ? {
|
2020-09-30 17:06:22 +03:00
|
|
|
match stmt {
|
2020-10-14 14:23:58 +03:00
|
|
|
AssignStmt {
|
|
|
|
return
|
|
|
|
}
|
2020-09-30 17:06:22 +03:00
|
|
|
ExprStmt {
|
2020-10-14 14:23:58 +03:00
|
|
|
if stmt.expr.is_expr() {
|
|
|
|
return
|
|
|
|
}
|
2020-09-30 17:06:22 +03:00
|
|
|
return error('unsupported statement (`${typeof(stmt.expr)}`)')
|
|
|
|
}
|
|
|
|
else {}
|
|
|
|
}
|
|
|
|
return error('unsupported statement (`${typeof(stmt)}`)')
|
|
|
|
}
|
|
|
|
|
2020-05-11 09:59:55 +03:00
|
|
|
pub fn (stmt Stmt) position() token.Position {
|
2020-05-25 06:32:33 +03:00
|
|
|
match stmt {
|
2020-10-14 14:23:58 +03:00
|
|
|
AssertStmt, AssignStmt, Block, ConstDecl, EnumDecl, ExprStmt, FnDecl, ForCStmt, ForInStmt, ForStmt, Import, Return, StructDecl { return stmt.pos }
|
2020-07-05 00:38:12 +03:00
|
|
|
/*
|
2020-10-13 00:11:51 +03:00
|
|
|
Attr {}
|
|
|
|
BranchStmt {}
|
|
|
|
DeferStmt {}
|
|
|
|
GlobalDecl {}
|
|
|
|
GoStmt {}
|
|
|
|
GotoLabel {}
|
|
|
|
GotoStmt {}
|
|
|
|
HashStmt {}
|
|
|
|
InterfaceDecl {}
|
|
|
|
Module {}
|
|
|
|
TypeDecl {}
|
2020-07-05 00:38:12 +03:00
|
|
|
*/
|
2020-05-18 19:06:09 +03:00
|
|
|
else { return token.Position{} }
|
2020-04-29 13:31:18 +03:00
|
|
|
}
|
|
|
|
}
|
2020-05-02 22:51:55 +03:00
|
|
|
|
|
|
|
// TODO: remove this fugly hack :-|
|
2020-05-03 22:13:40 +03:00
|
|
|
// fe2ex/1 and ex2fe/1 are used to convert back and forth from
|
2020-05-02 22:51:55 +03:00
|
|
|
// table.FExpr to ast.Expr , which in turn is needed to break
|
|
|
|
// a dependency cycle between v.ast and v.table, for the single
|
|
|
|
// field table.Field.default_expr, which should be ast.Expr
|
|
|
|
pub fn fe2ex(x table.FExpr) Expr {
|
|
|
|
res := Expr{}
|
2020-09-22 06:28:29 +03:00
|
|
|
unsafe {C.memcpy(&res, &x, sizeof(Expr))}
|
2020-05-02 22:51:55 +03:00
|
|
|
return res
|
|
|
|
}
|
2020-05-18 19:06:09 +03:00
|
|
|
|
2020-05-02 22:51:55 +03:00
|
|
|
pub fn ex2fe(x Expr) table.FExpr {
|
|
|
|
res := table.FExpr{}
|
2020-09-22 06:28:29 +03:00
|
|
|
unsafe {C.memcpy(&res, &x, sizeof(table.FExpr))}
|
2020-05-02 22:51:55 +03:00
|
|
|
return res
|
|
|
|
}
|