aarifullin/neoneo-go
1
0
Fork 0
forked from TrueCloudLab/neoneo-go
Code Pull requests Activity

compiler: support panic in source

Browse source 
In situations where VM's FAULT state needs to be reached,
panic function can be used. It compiles to THROW instruction.
This commit is contained in:
Evgenii Stratonikov 2020-01-28 17:18:38 +03:00
parent a839efb35e
commit d2326a8b96
3 changed files with 89 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

11
pkg/compiler/codegen.go
View file

@ -770,6 +770,17 @@ func (c *codegen) convertBuiltin(expr *ast.CallExpr) {
emitOpcode(c.prog.BinWriter, opcode.XSWAP)
emitOpcode(c.prog.BinWriter, opcode.APPEND)
}
case "panic":
arg := expr.Args[0]
if isExprNil(arg) {
emitOpcode(c.prog.BinWriter, opcode.DROP)
emitOpcode(c.prog.BinWriter, opcode.THROW)
} else if isStringType(c.typeInfo.Types[arg].Type) {
emitSyscall(c.prog.BinWriter, "Neo.Runtime.Log")
emitOpcode(c.prog.BinWriter, opcode.THROW)
} else {
c.prog.Err = errors.New("panic should have string or nil argument")
}
case "SHA256":
emitOpcode(c.prog.BinWriter, opcode.SHA256)
case "SHA1":