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

Compiler (#73)

Browse source 
Compiler and VM update
This commit is contained in:
Anthony De Meulemeester 2018-04-22 20:11:37 +02:00 • committed by GitHub
parent a73757df66
commit 648563c3e2
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
19 changed files with 304 additions and 265 deletions
Download patch file Download diff file Expand all files Collapse all files

20
pkg/vm/compiler/codegen.go
View file

@ -421,7 +421,7 @@ func (c *codegen) Visit(node ast.Node) ast.Visitor {
if isBuiltin {
// Use the ident to check, builtins are not in func scopes.
// We can be sure builtins are of type *ast.Ident.
c.convertBuiltin(n.Fun.(*ast.Ident).Name, n)
c.convertBuiltin(n)
} else if isSyscall(f.name) {
c.convertSyscall(f.name)
} else {
@ -529,7 +529,15 @@ func (c *codegen) convertSyscall(name string) {
emitOpcode(c.prog, vm.Onop) // @OPTIMIZE
}
func (c *codegen) convertBuiltin(name string, expr *ast.CallExpr) {
func (c *codegen) convertBuiltin(expr *ast.CallExpr) {
var name string
switch t := expr.Fun.(type) {
case *ast.Ident:
name = t.Name
case *ast.SelectorExpr:
name = t.Sel.Name
}
switch name {
case "len":
arg := expr.Args[0]
@ -541,6 +549,14 @@ func (c *codegen) convertBuiltin(name string, expr *ast.CallExpr) {
}
case "append":
emitOpcode(c.prog, vm.Oappend)
case "SHA256":
emitOpcode(c.prog, vm.Osha256)
case "SHA1":
emitOpcode(c.prog, vm.Osha1)
case "Hash256":
emitOpcode(c.prog, vm.Ohash256)
case "Hash160":
emitOpcode(c.prog, vm.Ohash160)
}
}