cf3e3b784b
This makes it possible to check things like `{} ? a` with a single
level of nesting.
Change-Id: I567c36fcfd2f9e2f60071acd3ebfe56dea59b26f
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6161
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
Reviewed-by: sterni <sternenseemann@systemli.org>
61 lines
1 KiB
Rust
61 lines
1 KiB
Rust
//! This module implements the instruction set running on the abstract
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//! machine implemented by tvix.
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#[derive(Clone, Copy, Debug)]
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pub struct ConstantIdx(pub usize);
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#[derive(Clone, Copy, Debug)]
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pub struct CodeIdx(pub usize);
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#[derive(Clone, Copy, Debug)]
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pub enum OpCode {
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// Push a constant onto the stack.
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OpConstant(ConstantIdx),
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// Discard a value from the stack.
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OpPop,
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// Push a literal value.
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OpNull,
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OpTrue,
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OpFalse,
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// Unary operators
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OpInvert,
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OpNegate,
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// Arithmetic binary operators
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OpAdd,
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OpSub,
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OpMul,
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OpDiv,
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// Comparison operators
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OpEqual,
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OpLess,
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OpLessOrEq,
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OpMore,
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OpMoreOrEq,
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// Logical operators & generic jumps
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OpJump(usize),
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OpJumpIfTrue(usize),
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OpJumpIfFalse(usize),
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// Attribute sets
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OpAttrs(usize),
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OpAttrPath(usize),
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OpAttrsUpdate,
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OpAttrsSelect,
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OpAttrsIsSet,
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// Lists
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OpList(usize),
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OpConcat,
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// Strings
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OpInterpolate(usize),
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// Type assertion operators
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OpAssertBool,
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}
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