Function fxDeclareNodeHoist

xs/sources/xsScope.c:552–612

}

void fxDeclareNodeHoist(void* it, void* param) 
{
	txDeclareNode* self = it;
	txHoister* hoister = param;
	txDeclareNode* node;
	txScope* scope;
	if (self->description->token == XS_TOKEN_ARG) {
		node = fxScopeGetDeclareNode(hoister->functionScope, self->symbol);
		if (node) {
			if ((node->description->token == XS_TOKEN_ARG) && (hoister->functionScope->node->flags & (mxArrowFlag | mxAsyncFlag | mxMethodFlag | mxNotSimpleParametersFlag | mxStrictFlag)))
				fxReportParserError(hoister->parser, self->line, "duplicate argument %s", self->symbol->string);
		}
		else {
			fxScopeAddDeclareNode(hoister->functionScope, self);
		}
	}
	else if ((self->description->token == XS_TOKEN_CONST) || (self->description->token == XS_TOKEN_LET) || (self->description->token == XS_TOKEN_USING)) {
		node = fxScopeGetDeclareNode(hoister->scope, self->symbol);
		if (!node && (hoister->scope == hoister->bodyScope)) {
			node = fxScopeGetDeclareNode(hoister->functionScope, self->symbol);
			if (node && (node->description->token != XS_TOKEN_ARG))
				node = C_NULL;
		}
		if (node)
			fxReportParserError(hoister->parser, self->line, "duplicate variable %s", self->symbol->string);
		else
			fxScopeAddDeclareNode(hoister->scope, self);
	}
	else {
		scope = hoister->scope;
		node = C_NULL;
		while (scope != hoister->bodyScope) {
			node = fxScopeGetDeclareNode(scope, self->symbol);
			if (node) {
				if ((node->description->token == XS_TOKEN_CONST) || (node->description->token == XS_TOKEN_LET) || (node->description->token == XS_TOKEN_USING) || (node->description->token == XS_TOKEN_DEFINE))
					break;
				node = C_NULL;
			}
			scope = scope->scope;
		}
		if (!node) {
			node = fxScopeGetDeclareNode(scope, self->symbol);
			if (node) {
				if ((node->description->token != XS_TOKEN_CONST) && (node->description->token != XS_TOKEN_LET) && (node->description->token != XS_TOKEN_USING))
					node = C_NULL;
			}
		}
		if (node)
			fxReportParserError(hoister->parser, self->line, "duplicate variable %s", self->symbol->string);
		else {
			node = fxScopeGetDeclareNode(hoister->functionScope, self->symbol);
			if (!node || ((node->description->token != XS_TOKEN_ARG) && (node->description->token != XS_TOKEN_VAR)))
				fxScopeAddDeclareNode(hoister->bodyScope, self);
			scope = hoister->scope;
			while (scope != hoister->bodyScope) {
				fxScopeAddDeclareNode(scope, fxDeclareNodeNew(hoister->parser, XS_NO_TOKEN, self->symbol));
				scope = scope->scope;
			}