static bool
RenderImport(WasmRenderContext& c, AstImport& import, const AstModule::SigVector& sigs)
{
const AstSig* sig = sigs[import.funcSig().index()];
if (!RenderIndent(c))
return false;
if (!c.buffer.append("(import "))
return false;
if (!RenderName(c, import.name()))
return false;
if (!c.buffer.append(" \""))
return false;
const AstName& moduleName = import.module();
if (!RenderEscapedString(c, moduleName))
return false;
if (!c.buffer.append("\" \""))
return false;
const AstName& fieldName = import.field();
if (!RenderEscapedString(c, fieldName))
return false;
if (!c.buffer.append("\""))
return false;
if (!RenderSignature(c, *sig))
return false;
if (!c.buffer.append(")\n"))
return false;
return true;
}
static bool
AstDecodeCallImport(AstDecodeContext& c)
{
uint32_t importIndex;
uint32_t arity;
if (!c.iter().readCallImport(&importIndex, &arity))
return false;
if (importIndex >= c.module().imports().length())
return c.iter().fail("import index out of range");
AstImport* import = c.module().imports()[importIndex];
AstSig* sig = c.module().sigs()[import->sig().index()];
AstRef funcRef;
if (!AstDecodeGenerateRef(c, AstName(MOZ_UTF16("$import$"), 8), importIndex, &funcRef))
return false;
AstExprVector args(c.lifo);
if (!AstDecodeCallArgs(c, arity, *sig, &args))
return false;
if (!AstDecodeCallReturn(c, *sig))
return false;
uint32_t argsLength = args.length();
AstCall* call = new(c.lifo) AstCall(Expr::CallImport, funcRef, Move(args));
if (!call)
return false;
c.iter().setResult(AstDecodeStackItem(call, argsLength));
return true;
}
static bool
RenderImport(WasmRenderContext& c, AstImport& import, const AstModule& module)
{
if (!RenderIndent(c))
return false;
if (!c.buffer.append("(import "))
return false;
if (!RenderName(c, import.name()))
return false;
if (!c.buffer.append(" \""))
return false;
const AstName& moduleName = import.module();
if (!RenderEscapedString(c, moduleName))
return false;
if (!c.buffer.append("\" \""))
return false;
const AstName& fieldName = import.field();
if (!RenderEscapedString(c, fieldName))
return false;
if (!c.buffer.append("\" "))
return false;
switch (import.kind()) {
case DefinitionKind::Function: {
const AstSig* sig = module.sigs()[import.funcSig().index()];
if (!RenderSignature(c, *sig))
return false;
break;
}
case DefinitionKind::Table: {
if (!RenderResizableTable(c, import.limits()))
return false;
break;
}
case DefinitionKind::Memory: {
if (!RenderResizableMemory(c, import.limits()))
return false;
break;
}
case DefinitionKind::Global: {
const AstGlobal& glob = import.global();
if (!RenderGlobal(c, glob, /* inImport */ true))
return false;
break;
}
}
return c.buffer.append(")\n");
}