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compiler: allow to declare global variables in multiple files

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Traverse and count globals across all used files.

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
This commit is contained in:
Evgenii Stratonikov 2020-07-28 10:59:21 +03:00
parent babd84ec10
commit 7009417325
6 changed files with 36 additions and 8 deletions
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4
pkg/compiler/codegen.go
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@ -252,7 +252,7 @@ func (c *codegen) emitDefault(t types.Type) {
// convertGlobals traverses the AST and only converts global declarations.
// If we call this in convertFuncDecl then it will load all global variables
// into the scope of the function.
func (c *codegen) convertGlobals(f ast.Node) {
func (c *codegen) convertGlobals(f *ast.File) {
ast.Inspect(f, func(node ast.Node) bool {
switch n := node.(type) {
case *ast.FuncDecl:
@ -1425,7 +1425,7 @@ func (c *codegen) compile(info *buildInfo, pkg *loader.PackageInfo) error {
}
c.mainPkg = pkg
n := c.traverseGlobals(pkg.Files...)
n := c.traverseGlobals()
if n > 0 {
emit.Opcode(c.prog.BinWriter, opcode.RET)
c.initEndOffset = c.prog.Len()